Map of Koh Yao Islands
Koh Yao Noi and Koh Yai Yai are a pair of islands that stand about mid way between Phuket and Krabi. The Phangnga Islands have developed, with a score of resorts and bungalows. Accommodations vary from very basic bungalows with holes in the roof to luxurious spa resorts that will poke holes in your budget.
More about Koh Yao
Long tailed boats or organized ferries from Phuket and Krabi can deliver you to the islands for rates ranging from Bt 150 (per person / per direction) in a public longtail. Or you can opt for an all-in package of private cars from airport to island pier island in a private longtail for Bt 3,500 - 4,000.
From Phuket, look for boats leaving Bang Rong Pier (East Coast Phuket). In Krabi, check at the Thalen Pier.