Ambon Island

Ambon is the capital island of Maluku, in eastern Indonesia's storied Spice Islands, and one of the world's premier muck-diving destinations. Its sheltered bay hides a bizarre cast of rare and camouflaged creatures on an otherwise unremarkable black-sand seabed.

Muck diving is the specialty. Gentle slopes of volcanic sand and rubble in Ambon Bay sit in 5–25 metres, where guides find the endemic psychedelic frogfish, rhinopias, mimic and wunderpus octopus, flamboyant cuttlefish, ghost pipefish, blue-ringed octopus and endless nudibranchs. The critter density and rarity of species make Ambon a magnet for underwater photographers. Because the appeal is tiny and cryptic, dives are slow and methodical, and visibility is often modest, around 8–15 metres.

Conditions are gentle and accessible. Most muck sites fall within Open Water depth limits, with little current, making Ambon comfortable for divers of all levels who enjoy macro hunting. Beyond the bay, coral reefs and walls offer more conventional diving with reef fish, turtles and the occasional shark. The warm 28–30°C water keeps exposure protection light.

Ambon is a small-resort and liveaboard hub. Dive resorts sit around the bay, and the island is a common start or end point for liveaboards exploring the wider Banda Sea. It is reached by air via Jakarta or Makassar. The muck diving is often best in the calmer months around September to November, though it runs much of the year. Ambon suits macro-focused divers and photographers hunting the ocean's strangest small animals. A Second World War wreck, the Duke of Sparta, lies in the bay and adds a slice of history to the muck diving.