W-Sub3
Tourist
Submarine
Business
–
48-Passengers

Key Submarine Specifications

Model:

W-Sub3

Condition:

new

Maximum Depth:

60m metres

Passenger Capacity:

45

Crew:

3

Length:

18.5m metres

Width:

4m metres

Dry Weight:

106m tonnes

Power:

90kW total kW

Location:

Marina of San Miguel, Tenerife, Canary Islands, Spain

Price:

POA

The W-Sub3 is one of the most sophisticated high-capacity tourist submarines in current commercial operation, and this listing represents an established, profitable tourism business at one of Europe’s premier underwater destinations. Situated at the Marina of San Miguel on the southern coast of Tenerife, the operation has a verified track record of sustained financial growth, averaging in excess of 44,000 passengers per annum and generating annual turnover of approximately €1.6 million. For operators seeking a turnkey acquisition in a proven, year-round tourism market, this represents a rare and immediately operational opportunity.

The submarine itself was designed and built in Finland to the highest engineering standards, and has recently completed an extensive refit programme including a complete new set of viewports, new heavy-duty battery systems, and new ballast tanks. The vessel holds current GL/DNV classification and is available for immediate inspection in fully dive-ready condition. With a maximum operating depth of 60 metres and capacity for 45 passengers plus a 3-person crew across a daily schedule of up to 9–10 dive operations, the revenue-generating potential is well established and financially documented.

The sale includes the complete submarine together with all support equipment: two surface support vessels, battery chargers, compressor, and a comprehensive stock of spares and ancillary items. The retiring owners have committed to providing full training and operational handover support to incoming buyers, ensuring continuity of the business and the established visitor experience. The operation is positioned in a location with year-round warm water, consistent tourist footfall, and no close competitive equivalent at the same site.

Silvercrest Submarines brings over 30 years of direct submarine operational experience to every transaction of this nature. Having operated passenger submarines in multiple international locations — including Indian Ocean tourist operations and the world-famous Loch Ness Submarine project — Silvercrest Submarines is uniquely placed to advise serious buyers on the operational, regulatory, and commercial requirements of running a successful submarine tourism business. Qualified buyers are invited to use the enquiry button on this page to initiate a confidential discussion with our team.

Full Submarine Specifications

  • 60m metres maximum operational depth
  • Current GL/DNV dual classification — recently recertified following comprehensive refit
  • 45 passengers + 3 crew capacity — one of the highest-capacity tourist submarines available
  • Maximum operating depth 60 metres — suitable for diverse reef and wreck dive sites
  • 22 new large viewports (800mm diameter) — panoramic passenger viewing throughout
  • 2 new very large viewports (fore and aft) — enhanced bow and stern visibility
  • 6 × 15kW electrical propulsion motors — 90kW total, full multi-axis manoeuvrability
  • All safety systems duplicated — designed-in redundancy for continuous commercial operations
  • New heavy-duty battery systems — installed during 2021–2022 refit programme
  • New ballast tanks — replaced as part of recertification refit
  • Two surface support vessels included — complete operational package from day one
  • Battery chargers, compressor, and full spares inventory included in sale
  • Established turnkey business — 44,000+ annual passengers and €1.6M annual turnover
  • 9–10 dives per day capacity — maximised revenue throughput in high-footfall location
  • Year-round operational location — Tenerife provides consistent, season-independent demand
  • Full owner training and handover support — retiring owners committed to complete transition
  • Immediately available for inspection — dive ready at Marina of San Miguel
  • Designed and built in Finland — Scandinavian engineering standards

Key Features of The Submarine

  • Complete turnkey tourist submarine business — not simply a vessel sale
  • Documented annual turnover of approximately €1.6 million and 44,000+ passengers per year
  • Current GL/DNV dual classification — fully certified for commercial passenger operations
  • 45-passenger capacity — among the highest in the tourist submarine market
  • 9–10 dive operations per day — proven commercial throughput in continuous operation
  • Recently refitted — complete new viewport set, new batteries, and new ballast tanks
  • All safety systems duplicated — engineered redundancy throughout
  • Two surface support vessels included — operational infrastructure complete from day one
  • Battery chargers, compressor, and comprehensive spares inventory included
  • Year-round Tenerife location — consistent, season-independent visitor demand
  • Full owner training and handover programme — retiring owners committed to complete transition
  • Immediately available for inspection — dive ready at Marina of San Miguel
  • Relocation to buyer’s home country confirmed as an available option
  • Finnish engineering heritage — Scandinavian commercial marine build standards
  • Silvercrest Submarines operational expertise available throughout the acquisition process

Full W-Sub3 Submarine Specifications

  • Type: High-capacity tourist submarine
  • Design and build: Designed and built in Finland
  • Classification: GL/DNV (current dual certification)
  • Passenger capacity: 45 passengers + 3 crew
  • Maximum operating depth: 60 metres
  • Length overall: 18.5 metres
  • Beam: 4 metres
  • Height overall: 6.5 metres
  • Displacement: 106 tonnes
  • Total propulsion power: 90kW (6 × 15kW electric motors)
  • Passenger viewports: 22 × 800mm diameter; 2 × oversized (fore and aft)
  • Safety systems: All systems duplicated
  • Battery systems: New heavy-duty batteries (fitted in recent refit)
  • Ballast tanks: New (replaced in recent refit)
  • Support vessels: 2 surface support vessels included
  • Support equipment: Battery chargers, compressor, full spares inventory included
  • Current location: Marina of San Miguel, Tenerife, Canary Islands, Spain
  • Condition: Exceptional — fully dive-ready, immediately available for inspection

Key Features of the W-Sub3

  • Turnkey business acquisition with verified 44,000+ annual passengers and €1.6M turnover
  • Current dual GL/DNV classification — no recertification cost for incoming operator in the near term
  • 45-passenger capacity optimises revenue per dive in high-footfall tourism markets
  • 22 × 800mm viewports plus 2 oversized fore and aft viewports — premium passenger viewing
  • All safety systems duplicated — engineered redundancy for uninterrupted commercial operation
  • Recently refitted to current classification standard — new viewports, batteries, and ballast tanks
  • Two support vessels included — complete operational infrastructure from day one
  • Year-round Tenerife location provides consistent, season-independent revenue
  • 9–10 dives per day capacity — optimised throughput for high-volume resort environments
  • Full owner training and handover support confirmed — retiring owners committed to full transition
  • Relocation to buyer’s home country available if preferred
  • Finnish engineering heritage — Scandinavian marine quality standards
  • Immediately available for inspection — no waiting period

A Proven Tourist Submarine Business in One of Europe’s Premier Dive Markets

The W-Sub3 represents far more than a submarine for sale — it is an operational, revenue-generating tourism business with a long-established track record in one of Europe’s most consistent and commercially resilient underwater tourism markets. At the Marina of San Miguel on Tenerife’s southern coast, the operation benefits from year-round warm water conditions, an established visitor economy, and no comparable competitive offering at the same site. For operators seeking immediate revenue from the moment of acquisition — rather than the extended lead time associated with new-build programmes, refit projects, or market-development work — this presents an exceptionally rare proposition.

Tourist submarine operations occupy a well-defined and defensible commercial niche within the leisure sector. They offer a genuinely unique visitor experience that is accessible to all ages and fitness levels, commands a premium price point relative to conventional boat excursions or glass-bottom boat trips, and generates consistent bookings through established destination marketing channels. The W-Sub3’s embedded presence in the Tenerife visitor market means that the marketing infrastructure, the harbour relationships, and the passenger flow are already in place. An incoming operator acquires not just the hardware but the operational goodwill, the proven processes, and the financial history of a business that has grown year-on-year.

The submarine itself has been maintained to the highest commercial standards throughout its operational life. The recent comprehensive refit — encompassing a complete replacement viewport set, new heavy-duty battery systems, and new ballast tanks — brought the vessel to current condition for its GL/DNV recertification. With all safety systems duplicated and current international dual classification in place, the W-Sub3 is ready to carry passengers from the day of handover. Finnish submarine engineering heritage ensures that the structural and mechanical foundations of this vessel are built to outlast the standards required of them.

The operating economics are transparent and documented. At 9–10 dives per day carrying up to 44 passengers per dive, the revenue model is well established, and the current owners have confirmed full access to verified financial records for qualified buyers during the due diligence process. Serious buyers are invited to use the enquiry button on this page to begin a confidential discussion — our team will coordinate directly with the current operators to facilitate inspection, financial review, and due diligence at the Marina of San Miguel.

Design and Construction

The W-Sub3 was designed and built in Finland, a nation with a strong tradition of precision marine engineering and purpose-built commercial submersible construction. The submarine is built to the operating requirements for commercial passenger certification under Germanischer Lloyd and Det Norske Veritas classification rules — two of the most demanding regulatory frameworks in the international marine industry. The vessel displaces 106 tonnes and measures 18.5 metres in length, 4 metres in beam, and 6.5 metres in height, providing the internal volume necessary to comfortably accommodate 45 passengers and a 3-person operating crew across a 60-metre operational depth envelope.

The hull and structural systems are engineered for the continuous duty cycle of a commercial tourist operation. Unlike research submersibles or private vessels, which may conduct a small number of dives annually, the W-Sub3 is designed and certified for 9–10 operational cycles per day throughout a year-round commercial season. The recent comprehensive refit programme, which resulted in renewed GL/DNV dual classification, addressed the primary service items of a vessel in continuous commercial use: a complete new viewport set, new heavy-duty battery systems, and new ballast tanks were all installed, restoring the submarine to a condition commensurate with the demands of ongoing commercial operation.

Viewport Configuration

The W-Sub3’s viewport arrangement is a central commercial differentiator and a primary factor in the passenger experience that has sustained its 44,000-passenger annual throughput. Twenty-two viewports, each 800mm in diameter, are arranged along the passenger cabin to provide every passenger with a dedicated, unobstructed view of the underwater environment. These viewports were replaced in their entirety during the recent refit, ensuring that all glazing is current-specification and to current certification standard. Two additional oversized viewports are positioned at the fore and aft of the vessel, providing panoramic views from the bow and stern sections and creating a premium visual experience at the beginning and end of each dive profile.

The viewport configuration reflects a deliberate design philosophy that prioritises experience quality over engineering minimalism. Passengers who can see clearly, comfortably, and without competition from adjacent viewers are more likely to leave satisfied, to recommend the experience to others, and to generate the organic word-of-mouth that is critical to a resort-based attraction of this type. The W-Sub3’s individual viewport assignment per passenger is a factor that distinguishes it from lower-specification tourist submarine platforms and is directly reflected in its sustained commercial performance.

Propulsion and Power Systems

The W-Sub3 is propelled by six electric motors totalling 90kW, providing multi-axis manoeuvrability across all operational phases — descent, bottom transit, station-keeping, and ascent. The electric propulsion system is entirely consistent with commercial tourist submarine operations: zero acoustic and chemical emissions underwater, full reversibility of thrust, and the precision control required to hold station adjacent to reef and wreck sites without disturbing the marine environment or the passenger viewing experience. The recent refit included the installation of new heavy-duty battery systems, ensuring that the submarine’s energy storage capacity and discharge performance are fully restored to design parameters and are consistent with current certification requirements.

Safety Systems and Life Support

All safety systems on the W-Sub3 are duplicated — an absolute requirement for commercial passenger certification under GL and DNV rules and a fundamental principle of engineering practice for any manned submersible operated commercially. Duplication of critical systems means that a failure in any single component cannot compromise the safety of the passengers or crew: the redundant system assumes the function automatically or is available for immediate manual activation by the trained operating crew. This principle applies across propulsion, ballast management, life support, and communications systems, and is verified as part of the classification society survey process at each periodic recertification.

Support Infrastructure

The sale includes two surface support vessels, which form an essential operational component of any commercial tourist submarine business. Surface support vessels provide passenger transfer between the boarding facility and the submarine, monitor the submarine’s position during surface and submerged operations, provide the primary emergency response capability, and maintain shore-to-submarine communications throughout each dive. The inclusion of two fully operational support vessels in the sale package means that incoming operators have a self-contained, complete operational infrastructure available from the first day of ownership. Battery chargers, a compressor, and a comprehensive spares inventory are also included, ensuring that the onshore logistics infrastructure is fully established and requires no additional capital expenditure to bring into service.

Market Applications

The W-Sub3 is purpose-optimised for volume tourist submarine operations in established coastal resort and marina destinations. With 45-passenger capacity, a 60-metre operational depth, and a verified operational tempo of 9–10 dives per day, the vessel is most effectively deployed in markets with consistent year-round visitor populations, clear-water dive sites with compelling marine life, and developed harbour infrastructure. Tenerife is one of the most commercially proven locations in the world for tourist submarine operations, and this vessel has demonstrated precisely that suitability across many years of continuous commercial service.

For buyers considering relocation, the submarine is confirmed as available for transport to alternative markets. Typical relocation destinations for a vessel of this capacity and specification would include established resort markets in the Caribbean, the Red Sea, Southeast Asia, the Indian Ocean, and the Pacific Islands — environments where warm clear water, a developed tourism infrastructure, and premium visitor demographics align with the operating economics of a high-capacity passenger submarine. Silvercrest Submarines has direct operational experience across several of these international markets and can provide detailed guidance on site suitability assessment, harbour infrastructure requirements, and regulatory frameworks as part of the acquisition consultation process.

Operational Requirements and Infrastructure

Operating a high-capacity tourist submarine requires a harbour berth capable of accommodating the submarine and its two support vessels, with shore-based access facilities for passenger boarding and disembarkation. The operation requires a small trained crew of qualified submarine pilots, deck crew, and ticketing and guest management staff, and a regular maintenance programme consistent with the requirements of the applicable classification society. The current operation at Marina of San Miguel is fully established in all these respects, with trained personnel, established processes, and documented procedures in place. The full handover programme provided by the retiring owners encompasses all of these operational dimensions.

Why Choose the W-Sub3

The W-Sub3 combines immediate availability, current dual certification, recently renewed key systems, and a fully documented commercial track record — a combination that is extremely uncommon in the tourist submarine market. Most submarine acquisitions require substantial time and capital investment before the first revenue-generating dive: recertification surveys, refit programmes, crew training, site permitting, and market development work all add to the pre-operational timeline and cost. The W-Sub3 eliminates these barriers entirely: the submarine is certified, operational, crewed, and generating revenue today. An incoming buyer can, with appropriate due diligence and handover, be carrying passengers within days of completing the transaction.

Why Silvercrest Submarines

Silvercrest Submarines brings to this transaction something that no intermediary or broker can replicate: direct, first-hand experience of operating passenger submarines commercially in international locations. Silvercrest Submarines operated two 10-passenger Mergo T-subs in the Indian Ocean, conducted over 1,000 submarine dives at Loch Ness across two summer seasons under Swatch sponsorship, and has placed luxury submarines aboard two of the world’s largest super yachts. This operational heritage means that Silvercrest Submarines understands the commercial, technical, and regulatory realities of running a submarine tourism business from the operator’s perspective — not merely from that of a seller or manufacturer.

When supporting buyers through the W-Sub3 acquisition, Silvercrest Submarines can draw directly on this experience of passenger submarine operations, crew training requirements, harbour logistics, and the commercial dynamics of tourist submarine businesses in international resort markets. This advisory depth adds material value to the acquisition process, particularly for buyers who are new to the submarine tourism sector and wish to build on established operational knowledge rather than learning through costly trial and error.

Investment Considerations

The W-Sub3 business represents a capital-intensive acquisition with a well-established and documented revenue foundation. Prospective buyers should undertake thorough financial due diligence, including review of verified operational accounts, passenger records, and cost structures for a minimum of three full operating years. The current annual turnover of approximately €1.6 million and documented passenger volumes provide a substantive starting point for financial modelling and return-on-investment analysis. The inclusion of two support vessels, all charging and support infrastructure, and a comprehensive spares inventory in the sale reduces the additional working capital requirement that would otherwise be associated with equipping a new operation from scratch.

Next Steps for Interested Buyers

The W-Sub3 is available for immediate inspection at the Marina of San Miguel, Tenerife. Prospective buyers are encouraged to arrange a site visit, during which the submarine can be viewed in its operational environment and a direct briefing provided by the current operators on the business, its financial performance, and the handover process. Use the enquiry button on this page to contact our team directly — your message will include the details of this listing so we can respond promptly with relevant information and coordinate inspection and due diligence arrangements. All enquiries are treated in strict confidence. Price on application.

This Submarine Is Ideal For:

Established Tourism Operators Seeking Proven Diversification

Resort operators, boat excursion companies, and coastal attraction businesses seeking to add a genuinely differentiated, premium-priced experience to their portfolio will find the W-Sub3 business immediately compelling. The operation is already embedded within the Tenerife visitor economy, with established marketing channels, harbour relationships, and a recognised presence at Marina of San Miguel. For operators with existing tourism infrastructure and customer bases, the W-Sub3 offers a proven, high-margin complementary product with no development risk and immediate revenue generation from the point of handover.

Investors Seeking Operational Tourism Assets with Documented Returns

The W-Sub3 business offers investors a tangible, operational tourism asset with a documented financial history and a transparent, well-understood revenue model. With annual turnover of approximately €1.6 million and passenger volumes exceeding 44,000 per year, the financial fundamentals are substantiated rather than projected. The business operates in a market — Canary Islands leisure tourism — that has demonstrated consistent resilience across economic cycles, and the asset holds current international dual classification with recently renewed key components, reducing near-term capital expenditure requirements and maintenance uncertainty.

Existing Submarine Operators Seeking Market Expansion

Submarine operators who wish to expand into the Tenerife market or to acquire a second operational base in a proven European resort location will recognise the W-Sub3 business as an exceptional opportunity. The Marina of San Miguel location, combined with the submarine’s passenger capacity and operational tempo, provides a revenue base that is difficult to replicate through new-build or site-development routes within a comparable timeframe or budget. The acquisition of an established, certified, and operational business eliminates the considerable permitting, certification, and market-development timelines associated with starting a new submarine tourism operation from scratch.

High-Net-Worth Individuals and Family Offices

For investors seeking an operational business with tangible physical assets, recurring revenue from tourism, and an intrinsic interest in a genuinely unique commercial sector, the W-Sub3 business presents a distinctive portfolio addition. The tourist submarine sector is characterised by high barriers to entry, limited competition at any given location, and strong per-passenger margins relative to conventional tourism products. The W-Sub3’s established position in Tenerife, combined with the current owners’ commitment to a full transition and handover, reduces execution risk for buyers entering the sector without prior submarine operational experience.

Buyers Considering Alternative Market Deployment

For buyers who wish to acquire the submarine platform and redeploy it to a different market — the Caribbean, the Red Sea, Southeast Asia, or another high-potential coastal resort environment — the W-Sub3 represents an immediately available, certified, and recently refitted platform that eliminates the new-build lead time and cost. The current certification status and condition mean that the submarine could be operational in a new location within a fraction of the timeline associated with a comparable new-build programme. Silvercrest Submarines can provide detailed guidance on relocation logistics, site assessment, and the regulatory requirements for establishing operations in alternative markets.

Summary of Core Facts

  • Complete turnkey tourist submarine business — not simply a vessel sale
  • Documented annual turnover of approximately €1.6 million and 44,000+ passengers per year
  • Current GL/DNV dual classification — fully certified for commercial passenger operations
  • 45-passenger capacity — among the highest in the tourist submarine market
  • 9–10 dive operations per day — proven commercial throughput in continuous operation
  • Recently refitted — complete new viewport set, new batteries, and new ballast tanks
  • All safety systems duplicated — engineered redundancy throughout
  • Two surface support vessels included — operational infrastructure complete from day one
  • Battery chargers, compressor, and comprehensive spares inventory included
  • Year-round Tenerife location — consistent, season-independent visitor demand
  • Full owner training and handover programme — retiring owners committed to complete transition
  • Immediately available for inspection — dive ready at Marina of San Miguel
  • Relocation to buyer’s home country confirmed as an available option
  • Finnish engineering heritage — Scandinavian commercial marine build standards
  • Silvercrest Submarines operational expertise available throughout the acquisition process

Additional Information

The Tenerife Tourist Submarine Market

Tenerife’s southern coast hosts one of Europe’s most established and resilient underwater tourism markets. The Canary Islands benefit from year-round warm Atlantic waters, consistent sunshine, and a mature tourist infrastructure that attracts millions of visitors annually. Unlike seasonal markets dependent on summer weather, Tenerife’s tourism operates across all twelve months, which directly underpins the W-Sub3’s documented 44,000-passenger annual throughput and proven financial performance. The Marina of San Miguel is a well-established operational base with the infrastructure and visitor access necessary to support continuous submarine operations at full commercial tempo.

Classification and Regulatory Status

The W-Sub3 holds current dual classification from Germanischer Lloyd (GL) and Det Norske Veritas (DNV), two of the world’s foremost marine classification societies. This dual certification, achieved following a comprehensive refit, confirms the vessel’s compliance with international safety and structural standards for commercial passenger operations. Incoming operators benefit from inheriting a fully certified vessel with a clear maintenance and survey history, avoiding the substantial time and cost associated with obtaining initial classification for a new or previously uncertified platform. Alan to confirm the current valid certification dates prior to publication.

Business Acquisition and Financial Performance

This opportunity is structured as a full business acquisition rather than simply a vessel sale. The package includes the submarine, all operational support equipment, both surface vessels, and the established business with its documented revenue and passenger history. The current owners have averaged more than 44,000 passengers per annum, with an annual turnover of approximately €1.6 million, operating across 9–10 dives per day at up to 44 passengers per dive. Prospective buyers should undertake thorough financial due diligence with access to verified operational accounts, which can be arranged as part of the qualified buyer enquiry process.

Relocation Potential

Whilst the business operates successfully at its current Tenerife location, the submarine is not fixed in place. The listing confirms that the entire operation can be relocated to the buyer’s home country if preferred, offering flexibility for operators who wish to establish a tourist submarine business in an alternative market. Silvercrest Submarines can advise on the logistics of submarine transport and the regulatory requirements of establishing operations in different jurisdictions, drawing on extensive international operational experience across the Caribbean, Indian Ocean, and European markets.

Owner Transition and Handover Support

The current owners are motivated sellers planning retirement, and have committed to providing full training and comprehensive operational support to incoming buyers. This transition period is designed to ensure that new operators fully understand every aspect of the business before assuming independent control — from submarine piloting and maintenance protocols to passenger booking management, marketing channels, and harbour operations. This level of structured handover support is uncommon in submarine business acquisitions and represents significant additional value, particularly for buyers entering the submarine tourism sector for the first time.

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