Koh Lanta island is a day trip mecca from Krabi for families and backpackers. It is a cluster of 52 islands, and most of them are uninhabited. Filled with traditional villages having overwater stilt homes and markets, panoramic white-sand beaches, rainforests, limestone outcrops, and mangroves, this large island boasts top-notch resorts, a massive national park, great snorkeling, diving, and laid-back beach bars. Take a car from Krabi to Koh Lanta or ride the ferry costing THB 1,500.