Gentle Giant liveaboard
Similan Islands | Richelieu | Hin Daeng | Koh Haa

The Gentle Giant liveaboard has 4 night trips to the best north Andaman sea dive sites, plus of Similan islands, Koh Bon, Koh Tachai, Richelieu Rock, plus 6 night trips that also include the excellent south Andaman dive sites of Hin Daeng and Hin Muang.
All cabins have AC, sea views and private bathrooms.
Dive staff speak English, Chinese and Thai
Photos
Features
- Max 20 guests in 10 air conditioned cabins with en-suite cabins.
- 1 master cabin on the upper deck with a double bed.
- 1 deluxe cabin on the main deck with a double bed.
- 8 standard cabins on the upper and main deck. Twin bunk bed.
- All cabins have private en-suite bathrooms and air conditioning.
- All cabins have one safety box.
- All cabins have sea view windows
- 27m length, 6m beam
- 2 x Hino diesel engines. 2 compressors, 3 generators.
- 220v electricity available 24h per day.
- Lots of space. Large sun deck, huge dive deck.
- NITROX is available (must be pre-ordered)
- 1 x RIB tender.
- PADI courses available.
- Thai and International food.
- Life raft, life vests, fire extinguisher.
Prices
Gentle Giant liveaboard price
Prices 2026-2027
5 days 4 nights (14 dives) at the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock
- Master double bed cabin, en-suite bathroom (upper deck, sea view): 34,000 baht per diver
- Deluxe double bed cabin, en-suite bathroom (main deck, sea view): 31,000 baht per diver
- Standard twin bed (bunk) cabin, en-suite bathroom (upper/main deck, sea view): 29,000 baht per diver
7 days 6 nights (22 dives) at the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock, then Phi Phi Islands, Hin Daeng, Hin Muang, Koh Haa
- Master double bed cabin, en-suite bathroom (upper deck, sea view): 50,000 baht per diver
- Deluxe double bed cabin, en-suite bathroom (main deck, sea view): 46,000 baht per diver
- Standard twin bed (bunk) cabin, en-suite bathroom (upper/main deck, sea view): 44,000 baht per diver
10% discount for non diving partners
Single occupancy +85% surcharge
Price includes: Dive guide, 12 litre tanks, weights & belt, all meals, soft drinks, round trip transfers from Phuket main beach hotels and Phuket airport.
Price excludes: Equipment rental (500 baht/set/day), national park entrance and diving fees (5 days 2,300 baht, 7 days 3,500 baht), nitrox, 15l tanks, alcoholic drinks.
Note. Open Water certified divers must complete the Advanced course, or Adventure Deep dive on board.
Dive Insurance is mandatory to join this boat.
Schedule
Gentle Giant liveaboard schedule
15 May – 15 October – Similan and Surin Islands marine national parks are closed
| Dates | Description | Start / Finish |
|---|---|---|
| 14-18 Oct 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Phuket / Khao Lak |
| 19-23 Oct 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 24-28 Oct 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 29 Oct-2 Nov 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 3-7 Nov 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 8-12 Nov 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 14-20 Nov 2026 | 7d6n Similan, Bon, Tachai, Richelieu, Phi Phi, Hin Daeng, Hin Muang | Khao Lak / Phuket |
| 23-27 Nov 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Phuket / Khao Lak |
| 28 Nov-2 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 3-7 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 8-12 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 14-18 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 19-23 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 24-28 Dec 2026 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 30 Dec-3 Jan 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 4-8 Jan 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 9-13 Jan 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 15-21 Jan 2027 | 7d6n Similan, Bon, Tachai, Richelieu, Phi Phi, Hin Daeng, Hin Muang | Khao Lak / Phuket |
| 24-28 Jan 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Phuket / Khao Lak |
| 29 Jan-2 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 2-6 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 7-11 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 12-16 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 17-21 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 22-26 Feb 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 28 Feb-6 Mar 2027 | 7d6n Similan, Bon, Tachai, Richelieu, Phi Phi, Hin Daeng, Hin Muang | Khao Lak / Phuket |
| 9-13 Mar 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Phuket / Khao Lak |
| 14-18 Mar 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 19-23 Mar 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 24-28 Mar 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 29 Mar-2 Apr 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 3-7 Apr 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 8-12 Apr 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 13-19 Apr 2027 | 7d6n Similan, Bon, Tachai, Richelieu, Phi Phi, Hin Daeng, Hin Muang | Khao Lak / Phuket |
| 23-27 Apr 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Phuket / Khao Lak |
| 30 Apr-4 May 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 5-9 May 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
| 10-14 May 2027 | 5d4n Similan, Koh Bon, Koh Tachai, Richelieu Rock | Khao Lak / Khao Lak |
15 May – 15 October – Similan and Surin Islands marine national parks are closed
Itinerary
Gentle Giant itinerary
Duration: 5 Days / 4 Nights (14 dives) Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock
Day 1
16:00-17:00 Pick up from Phuket airport or your Phuket hotel
19:30 Dinner on board
21:00 Boat departs to Similan islands
Day 2
7:00 Wake up call
8:00 Dive#1 (Similan Islands – check dive)
9:00 Breakfast
11:30 Dive#2 (West of Eden)
12:30 Lunch
15:00 Dive#3 (Elephant Head Rock)
16:00 Snack
18:45 Dive#4 (Numchai Bay – Night dive)
20:00 Dinner
Day 3
7:00 Wake up call
8:00 Dive#1 (Similan Islands 3 Trees)
11:00 Dive#2 (Koh Bon)
15:00 Dive#3 (Koh Tachai Pinnacle)
18:45 Dive#4 (Tachai Reef)
Day 4
7:00 Dive#1 (Koh Tachai Pinnacle)
11:00 Dive#2 (Richelieu Rock)
14:00 Dive#3 (Richelieu Rock)
17:00 Dive#4 (Richelieu Rock)
Day 5
6:00 Wake up call
7:00 Dive#1 (Tachai island)
8:00 Breakfast
10:30 Dive#2 (Boonsoong Wreck)
11:30 Lunch
13:00 Back to the pier and transfer to hotel
Duration: 7 Days / 6 Nights (22 dives) north and south Andaman sea
Start/Finish: Chalong pier, Phuket
Day 1:
1600-1630 hrs: Pick-up at your Phuket hotel or Phuket airport and transfer to Gentle Giant at Chalong pier Phuket. Cruise to the Similan Islands national park
Day 2:
General Diving Rules / Safety Briefing
4 dives around the Similan Islands, Koh Bon and Koh Tachai.
Day 3:
4 dives Richelieu Rock / Koh Tachai
Day 4:
3 dives Koh Bon / Similan Islands, then cruise south to Koh Phi Phi
Day 5:
4 dives around Phi Phi Islands
Day 6:
4 dives Hin Daeng / Hin Muang / Koh Haa Yai / Koh Haa Neua
Day 7:
3 dives King Cruiser Wreck / Anemone Reef / Shark Point
Return to Chalong pier Phuket at about 1700 hrs. Transfer back to your hotel by shared minivan service.
*itineraries are subject to change
Book / Enquiry
- Tell us the dates you are interested in. We’ll check available options and provide you with a clear breakdown of prices.
- When you are ready to go ahead and book we’ll reserve your place(s) and email you the secure online payment instructions.
- 30% deposit to confirm your booking. Payment is online by credit card or paypal (no booking fee or credit card fee), or by bank transfer.
- Balance payable 60 days before the trip departure date.


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