Suntan Lotion or get Roasted!
light carrier bag or small luggage on wheels or a medium size backpack. T shirts n shorts and a pairof flip flops/slippers.This appear to be the typical dress code of tourists on the island.Don't forget a cap/hat for sunshield Suntan lotion.Mosquito repellants.Soothing oil or balms for insect bites.Medication for stomach upsets or food poisoning. Lots of memories storage for your camera as n scenic views are plentiful.Also battery charger for camera n handphone goggle n swim suits

beach
Rain...
Day trippers
after 17 hrs finally atTrang