Sea World 1 Liveaboard, Thailand



  • Thai, Burmese, Indian, and Chinese food
  • BBQ on the upper deck
  • Nitrox available on board

The SeaWorld 1 liveaboard offers year-round diving in Thailand (Similan, Surin, Phi-Phi) and Myanmar (Mergui Archipelago). SeaWorld 1 caters to 18 guests in 9 cabins. On the main deck are 3 en-suite double-bed master cabins (with private bathrooms) and 2 double-bed master cabins. On the upper deck, there are 4 bunk-bed cabins. All rooms feature individually controlled AC and storage space. The upper deck has a lounge area with a TV, DVD, and a sound system. There is also a spacious sun deck with bean bags and beach beds, perfect for relaxing between dives. During the day, the chef serves 4 delicious meals of authentic Thai and international food. Tea, coffee, soft drink, snacks, and water are provided throughout the day.

SeaWorld 1 has several multi-day itineraries. Typical 5-day/4-night trips sail to the northern Andaman, such as Similan Islands and Richelieu Rock, offering a variety of diving experiences - deep to shallow, wall to reef, and macro to wide-angle photography. Get lucky with Whale Sharks, Mantas, Leopard sharks, and more exotic marine life. The 6/7-day trips take place in the Mergui Archipelago in Myanmar. Myanmar only recently opened its waters in the late 1990s after being closed for over 50 years. Few divers have seen this untouched reef since only a few dive boats are in the area.

Book the SeaWorld1 for your next diving trip today!

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Included: VAT, Airport Transfer, Hotel Transfer, Drinking Water, Soft drinks, Tea & Coffee, Full-Board Meal Plan (All meals), Half-Board Meal Plan, Snacks, Special Dinner, Diving Package, Night Dives, Land Excursions, Snorkel Gear, Cabin Towels, Complimentary Toiletries, WiFi internet.

Required Extras: National Park Fees (700 THB per day).

Optional Extras: Alcoholic Beverages, Nitrox (200 THB per tank), Nitrox Course (9,500 THB per activity), Private Dive Guide (1,800 THB per day), Rental Gear (700 THB per day), Scuba Diving Courses (9,500 THB per activity).

Book now, pay later: You can easily place your booking online. We will then hold the spaces for you and you can confirm with a payment later.

* Extra fees are shown per person.

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Boat features

  • Daily housekeeping
  • Audio & video entertainment
  • Aircon Cabins
  • Sun Deck
  • Non-Diver (Snorkeler) Friendly
  • Warm Water Showers
  • Outdoor Dining
  • Custom built for diving
  • Charging stations
  • En-Suite bathrooms
  • Non-Smoking Rooms
  • Outside Showers
  • Seaview Cabins
  • Separate Rinse for u/w Camera
  • Leisure Deck
  • Available for Charter

Food & Drinks

  • Local Food
  • Buffet style
  • Beer available
  • Snacks All Day
  • Free Soft Drinks

If you have any specific dietary requirements whilst on-board your cruise, you can add this to your special requests on step 2 of the booking form. We advise limiting these requests to religious beliefs or food allergies.


  • DIN Adaptors
  • Nitrox available
  • Rinse Hoses
  • Dive deck
  • Tenders for diving
  • Shaded Diving Area

The crew speaks English.

Gear Rental

There is diving gear available on this boat. Please provide your rental needs on the booking form. See below for further details on inclusions and pricing. Show prices.

Drawings & Vessel Layouts

#deckplan floorplan

Boat Specifications

  • Year built 2004
  • Year renovated 2023
  • Length 23 meters
  • Beam 5.6 meters
  • Top speed 10 knots
  • Cruising speed 7.5 knots
  • Engines 2x 400 HP
  • Max guests 18
  • Number of cabins 9
  • Number of bathrooms 6
  • Tenders 1
  • Water capacity 12000 liters
  • Fuel capacity 10000 liters

Boat Navigation and Safety

  • Radar
  • Depth Sounder
  • GPS
  • Radio VHF/DSC/SSB
  • Emergency Rafts
  • Life Vests
  • Fire Alarm & Fire Extinguishers
  • Oxygen
  • First Aid Kits
  • Satellite & mobile phones
  • Bilge pump alarm
  • Engine room CCTV
  • Crew trained in first aid

Sea World 1 Reviews

  • 9.1 Superb
  • 11 Verified Reviews
  1. Vessel
  2. Crew
  3. Food
  4. Diving
  5. Value
  • 9.6 Exceptional
  • James J
  • United Kingdom United Kingdom
Great Service pleasant dives

Most of the dive sights had lovely soft corals and decent viability with plenty of wildlife

Recommended for
Smooth immigration process excellent boat crew and food.
  • 9.2 Superb
  • Thomas G
  • United States United States
Pleasant dive trip in Myanmar

The boat and crew were excellent. The diving is pleasant but I was disappointed that the marine park is basically unprotected. There were fishing boats and squid boats everywhere. Not what one would expect after paying an expensive marine park fee. Obviously, this affects the number and size of fish that divers will encounter. A travel tip if you are interested in extending your trip in Myanmar. The boat leaves from Ranong, Thailand and immediately stops in Kawthoung, Myanmar to pass Myanmar immigration. You can obtain a Myanmar visa on your own and disembark in Kawthoung and stay in southern Myanmar.

Recommended for
Three best things; the boat, the crew and the food. The diving was good but not great
  • 10 Exceptional
  • Sandra S
  • Netherlands Netherlands

Amezing divesites, loads of fish, only boat on the dive site. Real professional staff, good food and the best captain and his cat

Recommended for
Divesites, staff, boat
  • 8.0 Very good
  • Melvin M
  • United States United States
Know it's not a zoo but expected to see more large fish.

Reefs almost entirely covered with yellow, orange and lavender soft corals

Recommended for
Crew was awesome. A few items not seen before.
  • 9.2 Superb
  • Australia Australia
Well organised and executed getting the best from the week

Diving close to whale sharks. Variety of great dive sites with interesting topography. Being shown seahorses. The non-diving day, relaxing on a remote island, snorkelling in the volcanic crater. The mango and coconut milk 'snack.

Recommended for
Safety the top concern by all crew and dive masters. Calm weather throughout. I was lucky enough to get my own cabin, due to the way the numbers fell.
  • 8.8 Fabulous
  • Tracy A
  • Singapore Singapore

Seeing whales and mantas on the boat! :)

Recommended for
Food, Dive, Sleep! :)
  • 8.4 Very good
  • Shelley B
  • Canada Canada
Comfortable basic boat

The boat was a smaller liveaboard but very comfortable with the size of group we had. The food was delicious and the crew very helpful and nice.

Recommended for
Richelieu Rock, food, sunsets
  • 10 Exceptional
  • philippe R
  • France France
first experience with live aboard ,top!!!

nice dive and a really good team with Billy ,oliver ,na and all the members; The thai crue was so nice .It was our first time on a boat like that during 4days ;just do it!!

Recommended for
the crue, the team ,food and diving
  • 9.6 Exceptional
  • Israel Israel
Great crew and dives


Recommended for
Bili - a great guide. The crew of the boat were very helpful. The dive site is one of the top 5 in the world
  • 8.4 Very good
  • Yvonne P
  • Germany Germany
Schöne Tauchsafari mit Highlights

Walhai Mantas Essen, immer frischer Fisch 😋

Recommended for
Super Boots Crew, schöne Tauchplätze, nette Mitreisende