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Grotto, Saipan Grotto:
One of the top caves in the world is the Grotto, a huge cavern with several different exit holes.


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A list of the best rated scuba dive sites in Micronesia.

Ulong Channel

Rated 4.9, 13 votes

One of the best adrenaline high dive sites in Palau is Ulong Channel and Reef, sometimes misspelled as Ulung Channel and also known as Ngerumekaol Pass. It is a narrow 20-50 meter wide channel, running from west to east for as long as 1km and splitting part of a huge gorgeous plateau in two. As you expect with such a great underwater canyon, the currents are often strong. It is not uncommon that the direction of the current changes halfway your dive; in which case you should head back in the sam...

Blue Corner Wall

Rated 4.6, 10 votes

This famous dive site is one of the best dives in Palau. Most of the time it has a very strong and unpredictable current. The corner has exactly the right conditions that attracts sharks, where most of the divers are coming for. If you don't like sharks then it is better not to go here. When swimming to Blue Corner you will have the wall on your side. Once at the plateau you will cross on top of the reef and use your reef hook to attach yourself to the reef. This hook is also important to ma...

Peleliu Wall

Rated 5.0, 3 votes

Peleliu Wall is one of the deepest & most beautiful wall dives in Palau. Deep canyons, crevices and caves cut into the wall offering hideouts and shelter to a large variety of marine life. It is famous for large pelagic fish action. Bright yellow soft corals, wire & whip coral, bushes of Black coral and huge sea fans cover the walls. Gray reef, White Tip sharks, Barracudas, Jacks. On rare occasions Sailfish, Marlin, Bull sharks, Silver Tips, Hammerheads, Tiger sharks, Sperm Whales & ...

German Wall, Channel

Rated 5.0, 2 votes

During the German occupation of Palau, Guano (phosphate) was mined on the southern island of Angaur. In order to bring the Guano to town, the Germans blasted and dredged a channel, which connects the inner lagoon with the open ocean. The outside mouth is dived on the incoming tide, when the nutrient & plankton rich current will flow into the inner lagoon. This dive spot is named German Wall or German Channel and is known for Manta Rays, schooling sharks & an abundance of tropical fish. S...

Hiroshi Point

Rated 5.0, 2 votes

Hiroshi Point, located at buoy 15, offers divers huge coral heads, estimated to be more than 2000 years old, and large numbers of Christmas tree worms and invertebrates. A diverse variety of marine life, including eagle rays, schools of huge parrot fish, reef sharks, barracuda and squid can be seen. It is one of the few dive sites that has a partial sandy bottom. Divers have surfaced from this site saying that they felt like they were diving in a huge aquarium, and asked to do their next dive th...

Valley of the Rays

Rated 5.0, 2 votes

Between June and October Mantas are likely to be seen in 'The Valley of the Rays' also known by its Yapese name Goofnuw Channel. There are two cleaning stations in the Channel. The first station has a mound that rises to about 40'. Currents flow over the mound and surrounding coral heads providing a good feeding spot for the Mantas. A little further down the channel there is another cleaning station about 35' where a white sandy bottom makes for excellent photography. ...

Peleliu Express

Rated 5.0, 1 votes

The Peleliu Express is famous for its ripping currents that can seemingly come out of nowhere and change direction without warning. When the current is running, this site is considered the ultimate in drift dives. During Full & New moon the currents are more severe. The strong currents at this point attract many pelagic, like Sharks, Barracuda, Tuna, Rays, huge Giant groupers & Napoleon Wrasse, Oriental Sweetlips, Palette Surgeonfish & large Rainbow Runners. Schools of Jacks, Snapper...

Ngerchong Outside

Rated 5.0, 1 votes

Ngerchong Outside wall is a steep drop-off. It gets shallow and wide at the entrance to Denges Channel, also known as Ngerchong Channel. Wall is covered with a variety of soft and hard corals. Look for Gray Reef Sharks, Black Tips, White Tips & sometimes Leopard sharks. September-November Ngerchong Outside is a nursery for baby Gray Reef Sharks. Look for large schools of juvenile sharks around 10 inches long at around 60 feet, accompanied by an adult female. Cleaning stations can be found al...

Iro Maru

Rated 5.0, 1 votes

The Iro Maru is a Japanese Navy Fleet oiler, one of its old-fashioned fleet supply vessels. It was damaged by a United States Submarine torpedo attack on its way to Palau. The bow displays a large crescent where the torpedo hit. It was sunk on March 31, 1944 during Operation Desecrate One, when downed by an aerial bomb, damaging the aft section. Interesting parts of the wreck include its Oil drums and Machinery found in the holds and 2x 80mm HA guns on the platforms on the bow and stern. Batfish...

Senhanom Cave, Rota Hole

Rated 5.0, 1 votes

The most popular boat dive site in Rota is an advanced dive named Senhanon Cave or Rota Hole. The diver enters the cavern from the ocean at about 40 feet. Once inside there are many schools of fish and sometimes lobster. However, the highpoint of the dive is when the light shines through the opening in top of the cavern creating the "Jesus Experience". ...