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Aquarius 11 Dive Cat  Video

Video of Aquarius II



85M Cat Dive Cat GA PlanGA Plan of Aquarius II



'Aquarius II'   26M Tour/Dive Catamaran


26M Day Dive Catamaran


We are thrilled to introduce the latest design, Aquarius II. This bespoke 26 metre aluminium dive catamaran is the perfect vessel for operations based out to the Great Barrier Reef, Australia.

Aquarius II has exceeded all expectations, exceeding a high cruising speed at low RPM, running trim was perfect and the hull gave off a relatively low wash. It is powered by twin MTU 8V 2000 (965hp) diesel marine engines and conventional prop/shaft with a top speed of over 30 knots, with a cruising speed of 27 knots and operating speed of 25 knots cruise at 70% load, with amazing fuel burn.  Click here for Video

Aquarius 26m Dive CatDive Cat 74


With a semi-displacement deep vee type hull and plumb bow design, the waterline length has been maximized and maintains the measured length of under 24 meters LOA. Not only is the vessel fuel efficient, but it also has an extended range capability for delivery voyages or extended cruising time.

Designed to cater to daily dive charters, Aquarius II is equipped with the latest technology including an inbuilt air compressor and hydraulic (two-stage) dive platform for snorkeling and scuba diving. The aft’ dive deck has four toilets including hot and cold water showers as well as wet suit lockers. Additionally, this vessel is spacious and comfortable, featuring forward walk-around sides on the upper deck with large forward and aft’ lounge decks making it one of the most popular vessels in its class.

26M Dive Cat Dash26M Dive Cat upper outside interior85' Aluminium Dive Cat85' Dive Cat


Designed in accordance with the NSCV (AMSA) Class 1C, Aquarius II is licensed to carry 125 divers plus 5 crew in coastal waters, however, it can also be utilized as a ferry to carry over 200 passengers. With its versatile design, this vessel is also suited for overnight accommodation versions with typically six spacious guest cabins plus two crew cabins. The structure is to Lloyds Register SSC standard for offshore operations, ensuring that Aquarius II meets all the required safety standards. Click here for video




Name of Vessel:       "Aquarius II"                 Type of Vessel:           Dive/Tourist Catamaran

In Survey to:        NSCV 1C                           Home Port:                 Port Douglas, Australia

Owner:   Tour Co                                          Designer:               Sea Speed Designs

CAD Software:    MAXSURF                         Builder:      Sea Cat Ships Thailand

Hull Construction               ALUMINIUM        Superstructure   ALUMINIUM

Deck Construction             ALUMINIUM        Length Overall:   25.96M

Length Waterline:              24.82M                   Length bp.:           23.97M

Beam:     9 .00M                                                 Draught:   1.75M

Depth:    2.36M                                                  Displacement:        75 TONNE

Tonnage/s:           155 GRT                                  Main Engine/s:    2 X MTU 8 V 2000 M72

Power 2 x 965HP @ 2250RPM                          Gearbox/s: ZF 665A

Propulsion:           Prop/Shaft                             Maximum Speed:         30 KNOTS

Cruising Speed:   27 KNOTS                            Generator/s:    Zenith   60 KVA

Side Thruster/s:                  NIL                       Steering System:    UMP Electric Hydraulic

Hydraulic Equipment:       UMP                       Electronics Supplied By:   UMP    

Electronics Installed          Palm Electrics          Depth Sounder/s:             Simrad   

Radio/s:   ICOM                                             Autopilot:        NAC-2    

Compass/es:        Ritchie                                AIS:                  NA15-500 Class 1B

GPS: Simrad                                                  Radar:         Simrad NSO EV0 35

Sound System:    Fusion                                  Video System:           Wirless

Other Electronics:              CCTV & DVR         Electrical By:         Bensen & Brown

Electrics installed by:        Palm Electrical           Capstan/Windlass:  Muir VR4500

Tank Gouges:       ITIM                                    Deck Equipment:     Dive Platform

Other Equipment Installed: Dive Compressor       Alarm System/s:   Systems Advantage (Sea Fire)

Paints/Coatings:                 Jotun                        Windows:      Aus Marine Windows

Seating:                  In House/Seaborn                Flooring/Deck Surface Finishes:        Non-Skid Paint

Interior Fit out: Painted Aluminium                    Anchors: 1 X Manson SUP 225

Liferaft/s:              2 x 65Man RFD                   Tender Boat/s:                 Highfield Classic 380

Sullage Capacity:                1 x 1000 LTR          Fuel Capacity:      9000LTR                 

Fuel Consumption:            300 ltr/hr @ 25 KN,  46 ltr/hr @ 10 KN

Freshwater Capacity:       1 x 1000 LTR          Crew:      5

Passengers:          125 Pax                              Range:    2500 NM @ 10Knots

Vehicles:                -                                       Type of operation Envisaged:       Charter, Dive

 Operational Area:             Coastal                   Date of Delivery:                1nd Quarter 2023


Aquarius 11 Fuel/Power Curve

Contact Information

Sea Speed Pty Ltd. P.O. BOX 773 Aspley 4034, Brisbane Australia

Phone and Whatsapp 668 04406355















































Contact Information

Sea Speed Pty Ltd.

P.O. BOX 773 Aspley 4034, Brisbane Australia

Phone +61 7 3862 9988

Fax +61 7 3862 9488

Mobile Paul 0417 770 769

Email SeaSpeedDesign
Copyright © 2005 -2008 Sea Speed Pty Ltd

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