Somboon 4 - Schedules

Flexible Schedule - October 2017 to May 2018

Somboon 4 Similan liveaboard trips run from mid-October to early May. Somboon 4 is located in the Similan islands or Koh Bon every day except Wednesdays and Sundays when it moves further north to the dive sites of Koh Tachai and Richelieu Rock (weather permitting). Because of this you can join and depart Somboon 4 any day except for Wednesday or Sunday. The minimum length of stay is 3 days/2 nights. Also, if you are on the boat and your trip is coming to an end but you wish to stay longer then just ask the tour leader. As long as there is space available then you will be able to extend.

Dive Sites Visited

Monday Similan Islands
Tuesday Similan Islands and Koh Bon Island
Wednesday Surin Islands and Richelieu Rock
Thursday Similan Islands
Friday Similan Islands
Saturday Similan Islands and Koh Bon Island
Sunday Surin Islands and Richelieu Rock

The dive sites to be visited may be changed due to unforeseen circumstances such as inappropriate weather.


Transfers to Somboon 4 are by minibus and speedboat. Minibus transfers are available anywhere on Phuket or Khao Lak center. Please note that there are surcharges for transfers on Phuket except for the following areas: Chalong, Kata, Karon, Patong. Please contact us regarding surcharges for transfers outside of these areas. The speedboat departs from Taplamu pier and takes approximately one hour to reach the main boat.


For bookings or more info please fill in our Information Request Form.

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