Austhai Marine
NEW AT40 SERIES
Commercial power catamarans built by the people who operate them daily.
Most commercial vessels in this market are converted pleasure craft, budget GRP copies, or European custom builds at prices that do not work for a daily workboat operation. The AT40 was designed to fill that gap.
The AT40 is purpose-built, CE certified, and manufactured in Thailand by a team that builds vessels and operates them daily.
One shared hull platform.
Three commercial configurations.
Quick Specs
- LOA 12.99m / 42.6ft
- Beam 3.85m / 12.6ft
- Twin Outboard Engines
- 25 knots Max / 22 knots Cruise
- CE certified, ISO 12215 GRP Construction
CONFIGURATIONS
NEW AT40 MODELS
AT40 Dive Boat
Purpose-built for dive operators. 20-diver capacity. Centreline tank racks. A-frame recovery crane. Wide stern ladder. Freshwater showers.Camera rinse station. Built for shallow reef anchorages and daily commercial operations
AT40 Ferry Boat
High-capacity passenger ferry for inter-island routes and day trip operations. Up to 42 passengers with weather-protected seating. Fast transit speeds. Simple low-cost outboard propulsion. Open and enclosed air-conditioned versions available.
AT40 Resort Transfer
Premium guest transfer vessel for five-star resort operations. First class seating environments. First impressions are made before anyone boards. The arrival experience begins at the water – not at reception.
BUILT BY PEOPLE WHO RUN BOATS FOR A LIVING
Group Island Spirit manufactures Austhai Marine vessels, operates charter fleets, and runs sailing schools across Southeast Asia.
We Build What We Use
100+ Vessels Built and Delivered
12+ Countries
*After-sales support across Asia

