Iro Maru

Type:

Scuba Diving

Entry:Unknown

Difficulty:Advanced

Tags:

DeepWreck

About This Dive Spot

Iro Maru is a 143-meter Japanese freighter wreck resting at about 40 meters depth. The wreck is described as largely intact, with features such as gun turrets, three masts, and a main deck. Soft corals and marine invertebrates cover the structure, and experienced divers may be able to enter the wreck to explore interior spaces including the crew quarters.

Planning details

Reported depth and seasonality.

Reported depth

40m+

Depth note

Wreck depth is described as about 40 meters.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Overhead environment

Safety notes

Penetration is possible and suited to experienced divers; entering the wreck adds overhead risk.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

A deep wreck dive with intact superstructure and optional wreck penetration into areas such as the crew quarters.

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Spots Near Iro Maru

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Chandelier Cave

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Helmet Wreck

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Helmet Wreck is a wreck dive on a 57 m (189 ft) freighter that was bombed in 1944. The site is known for wartime artifacts still on and in the ship, including Japanese military helmets along with ammunition, rifles, and gas masks. Divers can access the interior via an open middle deck and a wheelhouse that can be entered, but extra care is needed due to structural instability and the presence of residual explosives.

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Jake Seaplane

Not Set

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Clam City

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Clam City is a shallow dive site reached by a short boat ride from the main hub area. The site sits around 10 m and is known for very large giant clams, including older individuals. Divers can also expect a reef setting with staghorn coral and sizable Porites coral heads, plus schooling reef fish such as anthias, sergeant majors, Chromis, and Moorish idols.

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Jellyfish Lake - Ongeim’l Tketau

Not Set

A delicate lake ecosystem known for its large numbers of non-stinging jellyfish, including golden jellyfish that track the sun as they move through the water. Access is limited to snorkeling to help protect the lake and its diminishing jellyfish populations. In addition to jellyfish, the lake features anemones that attempt to catch them and some freshwater fish species.

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Ulong Channel

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Frequently Asked Questions

What's the best entry point at Iro Maru?

Entry at Iro Maru is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Iro Maru?

Optimal conditions at Iro Maru depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Iro Maru?

Depth and visibility information for Iro Maru can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Iro Maru?

When diving Iro Maru, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.