Mabul Island
One of the best muck-diving sites in the world, on sand under stilt villages, next door to Sipadan.
Updated 20 October 2026
Mabul is a small sand island off Semporna with stilt villages over the shallows, resorts on the shore and one of the most celebrated muck-diving sites anywhere beneath it. Muck diving means unglamorous ground - sand, silt, rubble, discarded pilings and household debris under the villages - and the point is what lives in it: flamboyant cuttlefish, blue-ringed octopus, frogfish, ghost pipefish, mandarinfish, mimic octopus and a dense concentration of nudibranchs, in a small area at shallow depth, which makes it a photographers' site above all. Sipadan, the oceanic wall dive twenty minutes away, is the region's famous name but is limited to a fixed number of permits a day and nobody may stay on it, so most divers base on Mabul. The island has a serious waste problem and a stateless Bajau Laut population living in real poverty, and neither is hidden from view.
History
The island lies about 15 km north of Sipadan, covers 0.2 square kilometres and rises only 2 to 3 metres above the sea; according to its village chief, the name comes from the Arabic makbul, "good" (Wikipedia, Mabul Island).
What's there
- Muck diving on sand - cuttlefish, frogfish and octopus in silt and rubble.
- Stilt villages over shallows - the settlements the diving happens beneath.
- The base for Sipadan - permits limited daily, with nobody permitted to stay there.
- Poverty and waste in plain sight - the Bajau Laut community and the island's rubbish.
When to go
April to December is best; diving all year. Three days.
What to expect
Sipadan permits are limited and allocated through resorts - book far ahead. Mabul has a visible waste problem and severe poverty.
Nearby
Sipadan is twenty minutes by boat; Semporna and the Tun Sakaran islands are north.
Key facts
Source: Wikidata, item Q1924217, read on 18 October 2026.
What to pack for Mabul Island
Chosen from what this place is for. Tap a kit for the full checklist.
- Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
- Your own mask + snorkel - A well-fitting mask is the single biggest comfort upgrade underwater. Find on Amazon
- Quick-dry towel - A microfibre towel packs small and dries in minutes. Find on Amazon
- Rash guard or thin wetsuit - Sun cover on the surface and warmth on longer or deeper dives. Find on Amazon
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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.



