Truk Lagoon


Truk Lagoon scuba diving is best known for its 60+ World War II wrecks, which easily makes Truk one of the world's best wreck diving destinations. 

Due to its strategic location, Truk used to be a Japanese Naval Base during WWII. Today the shipwrecks of Truk Lagoon offer a good amount of marine life, with many soft corals and schools of small fish. Some of the wrecks are quite deep, with the bottoms in the 100 to 150 feet (30 to 45 meters) range, which makes Truk Lagoon an excellent destination for technical diving.


Where is Truk Lagoon?

The name "Truk" is actually a corruption of the native name for this area, Chuuk, which is part of the Federated States of Micronesia.

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The diving season in Truk Lagoon lasts year round as visibility is fairly consistent year-round and rain is intermittent. However, it's important to take note that the rainy season lasts from April to December, and while the dry season lasts from December to April

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Marine Life & Best Dive Sites

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Marine Life & Photography Subjects

The wrecks of Truk Lagoon host beautiful soft corals and schools of small fish. There are reef sharks swimming by, but they can be hard to take photos of. However, numerous species of large jellyfish abound in Truk. While macro life may not be as abundant here as in other places nearby, there are various nudibranchs, anemones, porcelain crabs, shrimps, and small fish to photograph.


Diving Conditions

  • Visibility: You are in a lagoon, so visibility is good but not excellent; 40-60 ft. / 12-18 m. is the norm, and 30 ft. / 10 m. visibility would be a bad day. Sometimes visibility can reach 80 ft. / 24 m. or more, especially if it hasn't been raining (November - February).
  • Water Temperatures: 81-84 F / 27-28 C in the winter, 83-86 F / 28-30 C in the summer / early fall.




Truk's Best Dive Sites

The San Francisco Maru is the most famous wreck because of its 3 tanks with guns on the deck, but it is also very deep, sitting at 170 ft.

The Fujikawa Maru is also a favorite wreck to dive, filled with fish and corals.

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Truk Lagoon Travel Information 

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How to Get There

Truk Lagoon is in the middle of the Pacific Ocean between the Philippines and Hawaii. Book your ticket to Chuuk International Airport (TKK) on Weno Island. All flights to Chuuk International Airport (TKK) require transit via Guam, United States.  


How to Dive Truk

Both liveaboard & land-based options are available.  


Topside & Non-Diving Activities

If you have time, don't forget to do some WWII relic excursions! Deep sea fishing trips beyond the outer reefs can also be arranged.


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Please contact us for the latest availability of Odyssey Adventures.


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Other Useful Information 

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Practical Information

  • Currency: US Dollar (USD)
  • Language: English is a primary language
  • Main Airport Code: TKK
  • Time Zone: UTC+10
  • Electricity: 120V

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Reviews (2)


I have been to Chuuk several times and I intend to keep going back. It is that good. If you love soft corals, GO. If you love wreck diving, GO. If you love war history, GO. If you are a tech diver, GO. If you have a camera, GO.

I have dived the wrecks from shore based dive shop and also from the Truk Aggressor, now gone but there are other liveaboards in the lagoon.

The island has changed dramatically in the 20 some years I have been going. The days of letting your gear dry on the lanai of the Truk Continental Hotel are over, at least if you ever want to see your gear again they are. When I was on the Aggressor, we had a night security guard who kept people from paddling up in the night to steal our gear. That being said, if one just uses caution all should be well.

The diving is sublime. The visibility in the lagoon can be a bit murky but since the dives are all on wrecks it never seems to matter. I found the diving to be very doable for most divers. Although some were deeper, it was very easy to dive in the 60 to 100 foot range. The wrecks, aside from being amazing pieces of history, are covered with stunning soft corals and anemones with their resident skunk clown fish and microscopic shrimps. Tiny reef fish such as damsels and anthias sweep over the wrecks in unison like some sort of fishy ballet. Angel fishes, butterflies also swim in and out of the structures and looking closely one can find lion fishes as well. If one takes the time to look up from this stunning display pupio can be seen swimming by and occasionally a reef shark. Ammunition also also covers some of the decks along with gas masks, jeeps, tanks, bottles and even bicycles.

When I was there in 1994, a group from Japan had just been there to remove remains from the wrecks and take them home to Japan. It was the 50th anniversary of the bombing of Chuuk. Although since then, I have seen bones that were found within the wrecks and then left on display and photographed by divers. It is in poor taste and usually the remains are placed back inside the wreck by a divemaster.

Making night dives on the wrecks is something especially not to be missed as the place just comes more alive. It's difficult to believe this place could become more spectacular but it does.
Seeing this bit of history is an incredible opportunity one should not pass up if at all possible.

Visited on - Submitted on 02/13/2014

Truk Lagoon is not known for it's marine life, but obviously the shipwrecks. It's possibly the number 1 wreck diving spot in the whole world. I dove it this summer and can totally see why! First of all, I usually go on trips to see an exotic shark species. That is what draws me in. And, I actually did get to dive with my 8th shark species, a zebra shark, during my trip at Truk Lagoon. But, I also knew that I had to dive the number 1 wreck diving spot even if I wasn't promised a shark. Some of the other marine life included spotted eagle rays, jellyfish, eels, and nudibranches. Again those were not the cause of your breath being taken away. It was the magnitude of the ships, the ammunition left behind, the gadgets found in the ships that would've been used by the crew, and just the sobering reality that you are diving a gravesite. i am not one to take human life lightly. So, for me seeing the skull embedded into the ship was quite the experience. Not only do you have to swim up into a somewhat small, dark, secluded area to see it (kinda made me a little claustrophobic, and I'm not usually like that), but again knowing that was a life just made it a little bit surreal.

Let's just say I swam through a betty bomber, torpedo holes, and down to the million dollar wreck known as the San Francisco! Missiles, tanks, land mines, and much more are still there for us to dive with. That was my deepest dive ever. Extremely EPIC!

No matter where you stay, Truk Lagoon needs to be on your bucket list!!!!

Visited on 07/2013 - Submitted on 02/24/2014


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