Details and Specifications of Whale Dreamer
We are proud to introduce Whale Dreamer, the latest evolution in premium whale-watching vessel design by Sea Cat Ships and Sea Speed Design. This bespoke 23metre aluminium catamaran has been purpose-built for operations in Sydney’s exposed coastal waters, where performance, comfort, and safety are paramount. Constructed by our highly skilled Thai workforce under Australian project management, Whale Dreamer reflects a commitment to quality, innovation, and proven design.
Based on our successful “Bubbles” semi-displacement deep-vee hull platform, Whale Dreamer delivers exceptional seakeeping performance in offshore conditions. The vessel provides a smooth and controlled ride in swell, with reduced slamming and excellent stability, ensuring passenger comfort and confidence even in demanding environments.
Powered by twin Yanmar 700HP diesel engines, Whale Dreamer achieves a top speed of 26 knots and delivers outstanding fuel efficiency. The vessel cruises economically at 21 knots with a fuel consumption of approximately 75 litres per hour per engine, offering operators an ideal balance between performance and operating cost. The semi-displacement hull form further enhances efficiency while maintaining excellent ride comfort.
Designed specifically for whale-watching experiences, Whale Dreamer accommodates up to 145 passengers plus 5 crew and features expansive outdoor with three viewing decks, comfortable interior seating, and excellent sightlines for wildlife encounters. Passenger flow has been carefully considered to allow for efficient boarding, movement, and viewing, enhancing both safety and the overall guest experience.
Built in accordance with NSCV (AMSA) Class 1C survey requirements, Whale Dreamer meets Australia’s stringent maritime safety standards for coastal passenger vessels. The structure is robust and engineered for long-term durability in harsh marine environments, ensuring dependable operation season after season.
As the sixth vessel constructed on this refined hull platform, Whale Dreamer benefits from continuous design evolution and real-world operational feedback. Each iteration has improved ride quality, efficiency, passenger comfort, and maintainability, reinforcing Sea Cat Ships’ reputation for delivering high-performance aluminum catamarans.
With its combination of proven design, operational efficiency, and exceptional passenger experience, Whale Dreamer sets a new benchmark in whale-watching vessels, providing operators with a reliable and versatile platform for world-class marine tourism.
|
Hull |
Semi Displacement Catamaran (aluminium) |
|
Length Overall |
23.4m |
|
Beam Overall |
8m |
|
Draft |
1.65m |
|
Bottom Plate |
5 & 6mm |
|
Frames |
5mm |
|
Cabin, Sides, Deck |
4mm |
|
Main Engines |
2 x Yanmar 6HY WET (700 H.P. @ 2300 rpm) |
|
Propulsion |
Prop/Shaft with FP Propellers |
|
Genset |
Zenith 30 KVA |
|
Fuel Tank |
2 x 4000 LTR |
|
Fresh Water |
1000 LTR |
|
Sullage Tank |
1000 LTR (BW), 1000 LTR (GW) |
|
Crew |
5 |
|
Passengers |
145 Pax Coastal |
|
Classification |
Australia NSCV Class 1C |
|
Cruise Speed |
21 Knots @ 70% MCR (26 Top Speed) |








