It depend on how much time you have, but you have a couple of free days, you could make trip to Phi Phi. The Phi Phi islands are located about 45 Km southeast from Phuket, 42 km
south of Krabi Town and 40 km from Ao Nang Beach. They can be reached in between 1 to 3 hours depending on the type of boat you choose. Boats leave from Phuket, Ao Nang and the Chao Fa Pier in Krabi Town on a daily basis.