Maratua Island

Maratua Island is a large outer island in the Derawan Archipelago in Maratua District, Berau Regency, East Kalimantan, Indonesia, located in the Sulawesi Sea near the border with North Kalimantan. Known for its clear turquoise waters, white sandy beaches, and extensive coral reefs, it is part of a renowned diving and snorkeling destination. The island features resorts, traditional villages, and natural attractions including caves and lakes, and is noted for sea turtle nesting and marine biodiversity.

Visitors can expect a remote tropical island with white sand beaches, clear turquoise water and fringing coral reefs. The island is sparsely developed with resorts and homestays concentrated along the coast, small Bajau villages, and interior vegetation. Areas to explore include beaches, jetties, dive and snorkel sites around the reef drop-off, and inland sites such as Goa Haji Mangku. Activities center on marine experiences, beach relaxation and photography in a quiet, natural island environment.

Maratua is the largest island in the Derawan Archipelago and has long been inhabited by Bajau communities known for maritime traditions. The island and surrounding waters have historically served as fishing grounds and navigation points in the Sulawesi Sea and are now part of Berau's marine conservation and tourism development area.

The island reflects Bajau sea culture with stilt villages, traditional fishing practices and boat building. Local communities maintain maritime customs and hospitality traditions that are part of the visitor experience.