South Siam 4 – Similan, Koh Bon, Koh Tachai & Richelieu Rock
South Siam 4 runs twice weekly 3 day / 2 night diving trips including Similan Islands, Koh Bon, Koh Tachai, Surin islands and also diving at Richelieu Rock. You can also make a longer trip by starting on the right day (ask us for details - see p [...] Prices starting from 6950 / day