How is Keyhole usually dived?

Keyhole is usually run as a boat drift along the Orote Peninsula, with divers entering over the plateau and letting the current carry them across the reef structure.

Is Keyhole a beginner-friendly dive in Guam?

Keyhole can suit newer scuba divers when conditions are manageable because the upper reef plateau offers a relatively forgiving drift profile, but it is still current-sensitive and best done with a local boat operator.

Is Keyhole a good snorkel site in Guam?

Keyhole is primarily described as a scuba drift site rather than a casual snorkel stop, so most visitors treat it as a boat-based dive plan instead of a simple surface swim.

What does the terrain at Keyhole look like?

Keyhole combines a broad upper reef plateau with large boulders and then a nearby wall that drops away much more steeply, which is why the site can suit both easy recreational drifts and more advanced wall-focused plans.

What marine life is commonly seen at Keyhole?

Common Keyhole sightings include green and hawksbill turtles, rays, blacktip and whitetip reef sharks, pelagic fish, and the usual mix of reef fish moving around the plateau and drop-off.

What should divers watch out for at Keyhole?

The main planning factor at Keyhole is current, especially once divers move away from the plateau toward the more exposed wall side. Teams should stay disciplined on drift procedures and depth control.

When are conditions at Keyhole usually best?

Keyhole is a year-round Guam site, but it is best on calmer outer-reef days when current and sea state stay comfortable enough for a relaxed drift over the plateau.

Why do some divers use Keyhole for deeper profiles?

Keyhole sits close to a wall that falls away quickly, so experienced teams sometimes use the site as a convenient starting point for deeper dives beyond the easier upper-reef route.

Keyhole

Orote Peninsula drift reef with a sheltered plateau and wall edge.

Scuba DivingBoatIntermediate

Wall

Boat drift along Orote Peninsula with a forgiving upper reef plateau and a nearby wall that quickly becomes more committing.

About Keyhole

Keyhole is an outer-reef drift site on Guam's Orote Peninsula, set between a broad upper reef plateau and a wall that drops away quickly offshore. Most recreational dives stay on the shelf, weaving past large boulders that break up the flow and hold reef fish, turtles, and passing pelagics. When conditions are manageable it works well as a guided drift for less experienced divers, while the same layout also gives experienced teams a convenient starting point for deeper wall profiles.

Safety & Access

Site Conditions

Strong currentDangerous wildlife

Safety Notes

This is described as a drift dive; plan for current management and keep awareness of depth changes near the deep wall, especially if approaching technical depths. Large marine animals including reef sharks are commonly present.

Where Is Keyhole?

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Community sourced coordinates.

Map imagery © Mapbox

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Local Intel For Keyhole

Community notes to help plan your visit.

Scuba Diving

Works as a beginner-friendly drift on the upper shelf and as a starting point for technical divers heading down the wall.

Wildlife at Keyhole

Species commonly reported at this site, with direct links into their wildlife guides.

Sharks

Blacktip Reef Shark

Carcharhinus melanopterus

Green sea turtle ( Chelonia mydas ), Moorea, French Polynesia

Turtles

Green Turtle

Chelonia mydas

Turtles

Hawksbill Turtle

Eretmochelys imbricata

Sharks

Whitetip Reef Shark

Triaenodon obesus

Research Estimate At Keyhole

Access · 3/5Moderate entry effort

Research estimate

Aquatic Life · 4/5Great variety

Research estimate

Current · 3/5Moderate current

Research estimate

VisibilityResearch estimate: 18m

Recent Visits

Guam · Guam

Keyhole

Orote Peninsula drift reef with a sheltered plateau and wall edge.

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FAQ

Keyhole, Guam - Dive Spot Details & Conditions | DiveJourney

Keyhole

About Keyhole

Safety & Access

Where Is Keyhole?

Featured Operators

Local Intel For Keyhole