This document advertises day trips and multi-day liveaboard excursions from Khao Lak, Thailand to explore popular diving and snorkeling destinations like the Similan Islands, Koh Bon, Koh Tachai, and Richelieu Rock. Day trips include 2 dives from a dive boat and snorkeling, while 4-day, 4-night liveaboard options aboard Manta Queen I and Manta Queen II include 14 dives across the destinations with comfortable boat accommodations and chef-prepared food.