Models
Austhai Marine

AT40 Dive Boat

The purpose-built commercial dive catamaran for operators who run serious operations.

Every element of the AT40 Dive was designed around how a dive day actually works.

From kit-up at the jetty to recovery at the reef, nothing on this boat was adapted from another purpose. Nothing was compromised to fit a budget leisure platform. This is a dive boat, built from the ground up, by a team that operates charter vessels for a living.

Built at AusThai Marine’s ISO-standard facility in Rayong, Thailand. CE certified. Professional-grade capability at a Thailand-built price point.

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Low Cost of Ownership

Twin outboards service anywhere a dealer exists across Southeast Asia. One engine gets you home. Both tilt clear at rest, cutting biofouling and keeping your boat on the water, not in the yard.

Faster Turnaround

30+ Centerline Tank Racks keep the side decks clear. Overhead Bird-Nest Bags. Kit-up happens in the seat, not in a pile on the swim platform.

Safer Recovery

Wide Stern Ladder descends 1.5m/3.2ft below the waterline. Smart A-frame Crane recovers incapacitated divers or lifts heavy kits.

AT40 Ferry underway
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Guests Come Back

Freshwater Showers with sliding curtain bays. Camera gear rinse table. Window-side seating. The boat is part of what you sell.

Twin Outboard Reliability

2 x 300 or 350hp Yamaha or Mercury outboards. Serviceable at any dealer across Southeast Asia, without specialist technicians or long wait times for parts. One engine gets you home. Both tilt clear at rest, eliminating underwater drag and keeping antifouling simple.

Shallow Reef Access

Draft 0.68m / 2.2ft 0.90m / 3ft with engines down. Built specifically for shallow reef approaches where deeper draft vessels cannot operate.

Austhai
AT40 Dive

ONE HULL. TWO CONFIGURATIONS

20 - Diver Day Boat
  • Two Rows of 10 Facing Inboard
  • KIT-UP in Seat
  • PFD & Fins Under Each Seat
  • Centerline Tanks and Weights
  • Overhead Bird-Nest Bags
  • Same Stern Ladder, Showers & Cranes.
12 - Diver Technical Boat
  • Six Wider Seats per Side
  • More Space Between Divers
  • Centerline Rack up to 3 Tanks Each
  • Camera Housings & Stages
  • Same 20° Ladder and A-Frame Crane
  • Same KIT-OUT & Rinse Stations