The second largest island in Tunku Abdul Rahman Park. Manukan is the most popular island. It is covered in dense vegetation and has hiking trails.
Good stretches of beaches are on the southern coastline of this island. The best beach is on the eastern tip. Manukan has rich coral reefs ideal for snorkelling and diving.
Manukan has most developed tourist facilities that includes a few restaurants. The Manukan Island Restaurant offers a wide selection of Asian and Continental cuisine or visitors may make pre-arrangement for barbecue.