The name means Archipelago of the Golden Bowl, and the many karst islands of this marine park are within day-tripping distance of both Ko Samui and Ko Phangan in the southern Gulf.

Highlights include a lagoon of glass-like emerald water on Ko Mae Ko, and a viewpoint on Ko Wua Talap that offers arguably the finest views found anywhere in Thailand's islands. Most day tours include snorkelling and/or kayaking.

Though it's left off most tour itineraries, Ko Phaluai is the archipelago's largest island. You can get there on a ferry from Don Sak on the mainland, and stay at a homestay or a small resort. Staff can arrange boat tours to other parts of the park, but be prepared for a language barrier as Ko Phaluai is mostly visited by Thai tourists.

Family-friendly islands

Thai island escapes without the party crowds

There are many fabulous islands in both the Gulf of Thailand and the Andaman Sea. Some are heavily developed while others have only a handful of resorts, and sometimes the differences between any two islands are subtle. But it's hard to go wrong once you decide on the type of island that suits your family...read more