Setanau Island

Setanau Island (Pulau Setanau) is a small uninhabited coastal island off the west coast of Bunguran Island in Natuna Regency, Riau Islands Province, Indonesia. Located a short boat ride from Ranai, it is known for its white sandy beach, clear turquoise water, and granite rock formations. The island is a popular day-trip destination for swimming, snorkeling, photography, and camping, offering an undeveloped natural setting within the Natuna archipelago.

Visitors can expect a small, undeveloped island with a curved white-sand beach, clear shallow turquoise water, and scattered granite boulders. The interior is lightly vegetated with coconut trees and scrub. There are simple gazebos, a camping area and basic toilets but no permanent accommodation. Activities center on beach walking, swimming, snorkeling near the shore, photography and sunset viewing. Access is only by chartered boat from Ranai or nearby coastal villages.