Pulau Manukan is the second largest island in the Tunku Abdul Rahman National Park, Malaysia's first marine national park. It is located in the East Malaysian state of Sabah, just off the coast of Kota Kinabalu and is easily accessible by boat.

Manukan is the most popular island with Kota Kinabalu residents. Manukan has some good stretches of beaches on the southern coastline. The best beach is on the eastern tip of the island. Offshore of Manukan are coral reefs, which is ideal for snorkeling, diving and swimming.