See all Diving Site in Krabi Krabi for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Koh Hah Koh Hah, Krabi,Thailand About It is the furthest out of these closer islands and offers the best coral formations. Meaning island five, Koh Hah is the fifth in a small string of islands about an hour off the Krabi coastline. Add to Wish List