Fishing In contract to the Andaman Sea, the Gulf is less saline, generally warmer and shallower. Sharks, eagle rays, and barracuda are just a few of the species to be seen here. During the cool season from November to January, sailfish can be spotted in the Pattaya and Bang Saray region, as well as in Chumphon and in the waters around Ko Samui.  In the Gulf itself, Pattaya and Bang Saray are the major centres for game fishing, with plenty of charger boats available. The Andaman Sea : Among the best fishing areas here are Racha Yai Islands near Phuket and the Similan Islands, northwest of Phuket. Sailfish season runs from mid May to November, while marlin and tuna bite during the months of late November to May. The main game fishing centre in the Andaman Sea area is Chalong Beach, on the east coast of Phuket, where visitors can find numerous well-equipped boats and crew for charters lasting from a day to a week or longer.