Ao Makham is a bay with a passage between Koh Taphao Yai and the main island of Phuket north of Cape Panwa. It is a well dredged passage and is Phuket main deepwater port, the passages north and south are buoyed and easily navigable. Fuel and water can be delivered to the dockside by trucks for larger vessels. Note that the wharves are designed for ships so is not suitable for cruising yachts. The port is also the main dock for cruise liners plying the Andaman Sea and the Malacca straits to Singapore route