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Manta Bay is not really a “bay” but a specific stretch of ocean. This area faces high cliffs and is called Manta Bay because it is frequently visited by manta rays.

The ocean here is choppy and the waves can be rough. Unfortunately, it is not always  safe enough for your boat to drop you off here.

If the conditions are good, it is likely that you will spot a huge ray even before entering the water, so have your gear ready and be prepared to jump at the right time!

Manta ray in Nusa Penida
A manta ray at Manta Bay.

How to get to the Manta Bay snorkeling spot

This location can be reached with boat tours. Because of its popularity, this spot sees an increasing number of visitors and you have to be careful of the provider you choose for your snorkeling tour.

Many tours offer the possibility to “touch the mantas.” Environmental impact awareness is still limited here and some tour operators are driven by the prospect of profits.

Please be mindful and choose a provider that discourages this behavior. Wildlife is best appreciated when it remains wild and you should not interact with them.

Manta Bay Nusa Penida snorkeling map
Manta Bay, Nusa Penida snorkeling map.

Water entrance for snorkeling Manta Bay

The water entrance is from your boat and your tour guide will tell you when and where to jump. We suggest grabbing a life vest if you are not a good swimmer as the sea can be very rough.

Manta Bay snorkeling exploration tips

Powerful waves crashing against an eroding cliff leave little room for a coral reef to flourish, so you should not expect to see any majestic corals here.

Seabed at Manta Bay
The seabed at Manta Bay mainly features rocks and sand.

The odds to spot the mantas are in your favor, and are locally calculated to be around 80% during the peak season. However, even in the off season, the probability of seeing the mantas is high during the whole year.

The most common manta ray size you are likely to see is about 5 to 8 feet but giant rays of 22+ feet have sometimes been spotted too.

Manta ray at Manta Bay, Nusa Penida
Encounter with a Manta ray at Manta Bay, Nusa Penida.

The seabed is of no interest other than scattered stones and the occasional school of fish patrolling the area. It is the presence of these schools that make this spot so important and attractive for the manta rays which frequently visit the area to feed.

Restaurants and accommodation nearby

Day tours usually include lunch.


  • Level required Intermediate
  • Maximum depth50 ft/15 m
  • Water entranceFrom a boat
  • Potential DangersWaves
  • Visitor numbersHigh
  • Access costsSnorkeling tour cost

MAP Spot

These spots are accessible to anyone with basic snorkeling skills, and feeling comfortable in the water and with his snorkeling gear. You will enter the water from the shore (beach, pontoon, ladder, rocks) or from a boat. The water height in the sea entrance area is reasonable, but you will not necessarily be within your depth. Moderate currents can occur in the area, even when the sea conditions are good. The distance to swim to reach the most interesting snorkeling areas of the spot does not exceed 200 meters.

This level only apply when the spot experiences optimal sea and/or weather conditions. It is not applicable if the sea and/or weather conditions deteriorate, in particular in the presence of rough sea, rain, strong wind, unusual current, large tides, waves and/or swell. You can find more details about the definition of our snorkeling levels on our snorkeling safety page.