Amuk Bay is around 6km across with the villages of Padang Bay to the south and Candidasa to the north.
Two islands (Tepekong and Mimpang) outside the bay, and Biaha a little to the north, offer some of the most breath-taking diving in Bali. However, due to strong currents and unpredicatable water movements, these 3 sites need to be treated with care and respect, always consult your local Divemaster. The sites here are one of the best places to see Mola Mola sunfish, the water temperature is also somewhat cooler.
This tiny island
is only about 300 meters long and not very wide with deep waters on all sides. Off the southwestern tip of Tepekong is a well known dive site called The Canyon. Tepekong Canyon starts at around 25 meters deep and is lined with some large black boulders of basalt carpeted with soft and hard corals. Drifting through the canyon in clear visibility is an awesome experience, sharks and other big pelagics are often spotted. Huge schools of sweetlips, fusiliers, trevally and snapper swirl around the canyon walls in the nutrient rich waters. East Tepekong offers a wall down to around 40 meters and a coral reef at 24 meters again with excellent marine life.
The four exposed rocks are also called Batu Tiga which actually means 3 rocks.
Mimpang's Shark Point offers a better chance to see white tip reef sharks than Tepekong does, and often in greater numbers. It is one of the better locations in Bali to find sharks and even Mola Mola sunfish between August and September.
The topography of Mimpang is diverse, with sloping reefs, craggy rocks and walls all with hard and soft corals and some gorgonians. Big schools of fish often congregate at the upper parts of the reef.
This spot has a blowhole that spouts jets of water, it also has very strong currents and vertical surge so is only recommended for experienced divers. With rugged black walls and plenty of coral life this is a great spot.
The inside area of the crescent (the east side of Biaha) has a cave with resident whitetips large enough for several divers to enter however extreme caution must be taken if surge is strong.