Trat Airport 2 hr 10
Ko Ku Dee (3 hr 32)
Tiny island offering rustic lodging, white-sand beaches & snorkeling amid coral reefs. Prao Beach (3 hr 26)
Palm-fringed, white sandy Koh Samet strip with reef & clear waters teeming with fish & resorts. Mae Ram Phueng Beach (19 min)
Low-key sand beach with a typical range of vendors & restaurants serving seafood & pizza. Sai Kaew Beach (14 min)
Many speedboats cruise the waters off this white-sand beach with an adjacent, upscale resort. Hat Suan Son (12 min)
Windsurfing & coastal walks along a wooded shore marked by fishing boats & a Chinese-style temple. Ao Phai (3 hr 38)
Compact stretch of white sand with waterfront restaurants, comfy resorts & scenic views. Laem Mae Phim Beach (14 min)
Sandy beach lined with resorts & restaurants, known for swimming & sunset viewing. Rayong Aquarium (20 min)
Aquarium with an array of fish & sea animals, plus educational exhibits on the fishing industry. Ko Man Klang (11 min) Noi Na Beach (3 hr 40)
Stretch of coastline on Ko Samet island featuring white sand, modest lodging & a Chinese shrine. Sunthorn Phu Monument (18 min)
A statue of the famed Thai poet, plus a pool & 3 other sculptures, in a park dedicated to him. Ko Samet (3 hr 53)
White sand beaches, tranquil, clear waters & coral reefs are the draw to this compact island. Ao Nuan (3 hr 52) Khao Laemya National Park (3 hr 20)
Established in 1981, this marine national park includes an archipelago & multiple islands. | 
