TRITON 3300/6

Spacious and luxurious deep-sea diving for six

Triton 3300/6 submersible

The TRITON 3300/6 is a leisure-focused derivation of the venerable TRITON 3300/3 MKII design.

Building upon the industry’s most successful series-production platform, the TRITON 3300/6 is the first submersible to feature the world’s largest spherical acrylic pressure hull. Six passengers will experience a level of space and comfort never before found in a submersible capable of diving to any depth, let alone 1,000 meters / 3,300 feet.

For the ultimate in comfort, the TRITON 3300/6 can be configured to accommodate four passengers.

The TRITON 3300/6’s streamlined design brings an elegant aesthetic to a configuration that has been tightly optimised for deployment from a superyacht. Uniquely for a 1,000 meter-rated submersible, it can be deployed using standard tender lifting arrangements – greatly reducing the handling head-height typically required from such a capable submersible.

Triton 3300/6 in the workshop
Triton 3300/6 pictured in the workshop
Triton 3300/6 on the seabed.
Triton 3300/6 Underwater. View of Port thruster
Triton 3300-6 on the seabed
Triton 3300-6 on the seabed
View into the TRITON 3300/6 through the wide access hatch.

Easy Boarding

The TRITON 3300/6 features a generously sized hatch which has been angled rearwards to maximise ease of boarding. The adjacent high-grip tread area has been positioned in relation to the interior steps so as to achieve a comfortable, natural movement. Triton’s signature ‘pontoon’ design ensures that throughout the boarding process, the submersible remains flat and level on the water.

Image showing person disembarking the Triton 3300/6 via fold-out ladder

Easy Ingress

Climbing into the TRITON 3300/6 is as simple as descending a set of steps. The Pilot’s seat, at the rear of the cabin and immediately below the hatch, converts into access stairs, offering a comfortable, raked descent down to your seat.

Top-down view of Triton 3300/6 interior seating.

Ergonomic Seating

Once inside, passengers will enjoy plush seating replete with fine leathers and hand-finished upholstery. The position and layout of the chairs ensures everyone enjoys a nearly 360° view and, importantly, that they all share the same view as one another and the Pilot-Guide.

The hatch mechanism on the Triton 3300/6 submersible.

Pro-Performance. modest Integration.

From the inception of the TRITON 3300/6, we knew it needed to be be based on our most capable platform – the same that underpins Triton’s flagship professional submersible.

We also knew how much our leisure customers value the ability to integrate our submersibles seamlessly into the traditional superyacht environment.

Despite its incredible capabilities, the TRITON 3300/6 may be stored, launched and recovered from within a standard tender garage. It has a footprint similar to that of the TRITON 3300/3, but with a lower overall height and, for its capability, a modest weight. By choosing to mount all external equipment lower down, the sub takes full advantage of the space between the dual-gantry tender lift arrangements typical to superyachts.

The illustration below shows the dramatic reduction in handling height requirements for the TRITON 3300/6 vs the submersible platform on which it is based.

Comparison of lifting arrangements for Triton 3300/6 and 3300/3. T3300/6 requires significantly less overhead.

Technical Specification


Depth3,300 ft / 1,000 m
Payload1,760 lb / 800 kg
CrewPilot + up to 5 Pax
Speed3 kn
Endurance10+ hours
Main Ballast8,800 lb / 4,000 kg
Variable Ballast 550 lb / 250 kg

Size & Weight

Length14.9 ft / 4.55 m
Width11.8 ft / 3.6 m
Height7.9 ft / 2.4 m
Weight24,300 lb / 11,000 kg
Pressure Hull Volume ⌀180 cu. ft. / 5.1m3
Hatch Inner ⌀27.5 in / 700 mm


24 V SupplyDual supply + Emergency
Main Battery45 kWh
Main Thrusters2 x 12.5 kW
Vertran Thrusters2 x 12.5 kW
ControlJoystick, Touchscreen & Manual Override
External Lights6+ x 20,000 lumen LED
Life SupportOxygen + CO2 Scrubber