Harley Reef

Type:

Scuba DivingFreediving

Entry:🏖️Shore Entry

Difficulty:Intermediate

Tags:

Reef

About This Dive Spot

Harley Reef is an easy, enjoyable dive along a breakwater wall with a shallow start and a long sloping reef. The site begins around 15 ft and descends gradually to about 110 ft, making it suitable for a wide range of diver experience levels. Sea turtles are commonly seen here, including green and hawksbill turtles, and slow, calm diving is recommended for better viewing.

Planning details

Reported depth and seasonality.

Reported depth

4.6m - 33.5m

Depth note

Harley Reef starts at roughly 15 ft and slopes down to about 110 ft.

Safety & access

Hazards, restrictions, and required precautions.

Safety notes

Move slowly around turtles for better viewing. Maintain neutral buoyancy and do not touch or chase turtles.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

A sloping reef profile starts shallow and continues down to deeper depths, suitable for multiple skill levels.

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Spots Near Harley Reef

📍 0.5 km

Val Bomber (Wreck)

Not Set

This harbor dive features a Japanese Val bomber wreck resting around 26 m, lying against the side of a sloping reef. The aircraft was sunk during the liberation of Guam in July 1944, and the area includes additional shallow barges that can be explored on the same dive. The reef is home to a wide variety of reef fish, with elephant ear sponges and both hard and soft corals across the slope.

📍 0.7 km

Barge Reef

Not Set

Barge Reef is a drift dive along a breakwater where barges were dropped during construction in the mid-1940s, creating wreckage structure that now supports reef growth. The site features colorful soft and hard corals on and around the wreckage, with abundant elephant ear sponges and a variety of reef fish. Green and hawksbill turtles are frequently seen, and eels and octopus are also common.

📍 0.8 km

Blue & White

⚓

This site features exceptionally clear water and an upper reef flat that begins around 30 ft before dropping away sharply into deeper water. It is popular with underwater photographers for both wide-angle scenes and macro subjects. The area has healthy coral and abundant reef fish, with green turtles seen on many dives and occasional stingrays.

📍 0.9 km

Scuba Beach

🏖️

Scuba Beach is a sheltered sloping reef with extensive coral growth and sand flats, commonly used for diver training. Access is possible either by boat or from shore via a stairway along an artificial shoreline. Depths run from very shallow water to beyond 30 m, with reef habitat supporting a variety of common reef fish and frequent turtle sightings.

📍 1.0 km

American Tanker (Wreck)

⚓

American Tanker is a large World War II-era concrete barge wreck in Guam that was used to transport fuel. It is one of five barges brought to the island, with remains of others visible along the breakwater. It is described as a boat dive suitable for all diver levels, with small reef fish and macro life around the wreck.

📍 1.2 km

Kitsugawa Maru (Wreck)

⚓

A Japanese freighter sunk in July 1944, the wreck lies upright on the bottom of a harbor. The bow gun remains intact, with the deck around 115 ft and the masts rising to roughly 50 ft from the surface. Marine growth and schooling fish gather around the mast structure, making it a popular wreck dive for both structure and life.

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Frequently Asked Questions

What's the best entry point at Harley Reef?

Entry at Harley Reef 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 Harley Reef?

Optimal conditions at Harley Reef 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 Harley Reef?

Depth and visibility information for Harley Reef 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 Harley Reef?

When diving Harley Reef, 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.