Sabah Islands 2026 — 394 Islands by Area & Status

Sabah\u2019s 394-Island Archipelago

Sabah\u2019s coastline extends 1,440 kilometers, studded with 394 gazetted islands of varying sizes, origins, and ecological importance. Island formations range from tiny rocky outcrops barely above water to substantial landmasses supporting permanent settlements. The islands represent fragments of Borneo\u2019s geological and ecological diversity — granitic peaks, uplifted limestone, and volcanic remnants.

Island distribution reflects Sabah\u2019s geography:

• Western cluster (Kota Kinabalu area): Tunku Abdul Rahman Park (5 islands), numerous small islands off the coast.
• Southeastern cluster (Semporna area): Tun Sakaran Marine Park (15 islands), Sipadan, Mabul, Kapalai — world-class dive destinations.
• Northern islands: Balambangan, Banggi, Mantanani — remote, small populations, limited tourism.
• Federal territory: Labuan Island (115 km²) — urban centre, financial hub, politically separate from Sabah but historically and geographically integral.

Largest Islands by Area

Labuan Island (115 km²) is by far the largest. Declared a federal territory in 1990, Labuan serves as an offshore financial centre and is home to 87,000 residents. It has modern infrastructure, international airport connectivity, and attracts financial services and tourism.

Within Sabah proper (excluding Labuan), the largest islands are:

• Balambangan Island (21 km²): Remote, northern location off Kudat. Seasonal fishing village. Difficult access. Limited tourism.
• Banggi Island (19 km²): North coast, ~5,000 residents (mostly Bajau fishermen). Small settlement, fishing-focused. Ferry from Kudat.
• Sibujan Island (15 km²): South coast. Largely uninhabited. Limited research/tourism.
• Mantanani Besar (12 km²): Off Tuaran, west coast. Small fishing village, eco-lodge. Popular weekend getaway.
• Sipadan Island (8.4 km²): Tiny by area but colossal in diving fame. World-class reef, no overnight stay (day divers only).
• Gaya Island (7.5 km²): Part of Tunku Abdul Rahman Park. Island forest, beaches, semi-developed (no vehicles).

Tourist Island Destinations

Major island tourism destinations:

• Tunku Abdul Rahman Park (TAR Park) — 5 islands, 250,000 visitors/year: Closest to Kota Kinabalu (15–45 min by boat). Manukan, Sapi, Mamutik, Sulug, Gaya islands. Day trips are standard. Snorkeling, diving, beach lounging. Manukan Island Resort and eco-lodges available.
• Tun Sakaran Marine Park — 15 islands, 40,000 visitors/year: Semporna-based (2.5 hours from KK). Dive-focused destination. Island camping permitted in designated zones. 78 dive sites. Liveaboards and day trips both available.
• Sipadan Island — 45,000 day divers/year: World-famous dive site. No overnight accommodation (locals only). 120-diver daily limit, permits sell out months ahead. 3,000+ fish species. Accessible only via licensed dive operators.
• Pulau Tiga Park — 5,000 visitors/year: Remote island park. Volcano island with hot springs, jungle trails, sandy beaches. Basic island camp. Requires guided tour.
• Turtle Islands Park — 3,000 permit-holders/year: Sea turtle nesting research site. Overnight permits only (Sabah Parks booking). Peak June–August. Permits limited to 80 visitors/night. Educational focus.
• Labuan Island — 500,000 annual arrivals: Not primarily a "tourist island" but a major regional hub. Financial centre, shopping, dining, water sports, WWII historical sites. Direct air access from KK and other Malaysian cities.

Island Ecosystems

Sabah\u2019s islands support diverse habitats:

• Coral reefs: Nearly all islands are surrounded by living coral systems. Reef health varies widely — protected areas (Tun Sakaran, TAR Park, Sipadan) have high coral cover and fish biomass; remote islands show variable health.
• Seagrass beds: Shallow waters around larger islands (Gaya, Banggi) support extensive seagrass meadows. Critical nurseries for juvenile fish and feeding grounds for dugongs and sea turtles.
• Mangrove fringes: Larger islands have protected mangrove zones where rivers meet the sea. Fish breeding, mudskippers, crabs.
• Island forests: Larger islands (>5 km²) support lowland or montane forest. Gaya Island, Labuan, and Banggi have native forest patches. Forest areas host endemic bird species and small mammals.
• Sandy beaches: Turtle Islands, Tun Sakaran islands, and scattered smaller islands have pristine sandy beaches. Nesting sites for Green turtles, Hawksbill turtles, and occasionally Leatherback turtles.

Island ecosystems are interconnected with surrounding marine systems. Fish nurseries in mangrove and seagrass zones export juvenile fish to coral reefs. Reef nutrients support island productivity. Seabirds (frigatebirds, terns, herons) link marine and terrestrial food webs.

Island Conservation & Management

Island protection status varies:

• Gazetted marine parks: Tun Sakaran (35,000 ha), Tunku Abdul Rahman (4,900 ha), Turtle Islands (1,700 ha) — strictly managed, permits required, conservation-focused.
• Forest reserves: Some islands (Gaya, parts of Labuan) are designated forest reserves with logging restrictions.
• Private leases: Mabul and Kapalai islands are leased to resort operators. Management driven by eco-lodge interests.
• Unprotected islands: Many small islands lack formal protection. Vulnerable to illegal fishing, collection, and beach erosion.

Challenges to island conservation include invasive species, climate-driven sea-level rise (threat to low-lying islands), coral bleaching, and unsustainable tourism. Protected area designation and strict enforcement are critical to preserving island ecosystems and wildlife.

Frequently asked questions