Spend a few hours on a beautiful sandy beach of Koh Madsum (also called as Pigs Island) and go snorkeling for 1 hour at the reef of Koh Tan.
Koh Madsum is a small island near Samui. After a 20 minute drive with a typical Thai wooden boat, you arrive at the quiet sandy beach of Madsum. Koh Madsum is also known as the Pigs Island, as there are friendly pigs:
More about this offer can be found here: Private Snorkeling and Beach Tour