https://visitsimilanislands.com/similan-islands-2-day-1-night-scuba-diving/
2D/1N liveaboard to Richelieu Rock & Surin from Phuket or Khao Lak. 6 dives, A/C en-suite cabins; meals, gear & transfers included. Season Nov–May.
richelieu rockampsurinliveaboardphuket