Rock Key

Type:

Scuba Diving

Entry:Unknown

Difficulty:Unknown

Tags:

Reef

About This Dive Spot

Rock Key is a reef site with unusually deep, wide crevices compared with many other coral reefs. These larger openings form sheltered habitat where fish and eels commonly hide. Divers can expect a mix of Caribbean reef life, including sharks, rays, turtles, and a wide variety of reef fish.

Local intel

Community notes to help plan your visit.

Access, coral, life, crowds, and facilities.

Coral

The reef has crevices that are described as deeper and wider than typical, creating more open reef structure.

Aquatic Life

Common sightings include grouper and moray eels, with reef sharks and nurse sharks also mentioned. Eagle rays, turtles, stingrays, and schooling reef fish such as snapper are possible.

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Spots Near Rock Key

📍 1.0 km

Eastern Dry Rocks

Not Set

Eastern Dry Rocks is a reef site that’s popular for both scuba diving and snorkeling. It’s close to other nearby reefs, so it’s often visited as part of an outing that includes multiple reef stops. Divers and snorkelers can expect typical Caribbean reef life including sharks, rays, turtles, and a variety of reef fish.

📍 3.6 km

Sand Key Lighthouse

Not Set

Sand Key is a Sanctuary Preservation Area that was once a separate island but has been reduced to a small patch of sand encircled by a coral reef. The sandy bottom is a distinctive feature compared with many other Florida coral reefs. It’s described as a good spot for both diving and snorkeling, with typical Caribbean reef life on the surrounding reef.

📍 3.9 km

9 Foot Stake

Not Set

9 Foot Stake Reef is a shallow reef in the Florida Keys National Marine Sanctuary System, located south of Key West and near Marker 32 Reef. Fishing and spearfishing are permitted in this area. Divers can expect reef scenery in depths around 15–30 ft and encounters with a variety of marine life including turtles, rays, groupers, sharks, snapper, grunts, queen conch, and spiny-tail lobster.

📍 4.4 km

Ball and Chain

Not Set

Ball and Chain is a historic outer reef site off Key West, known for its long-standing association with early homemade moorings once used to hold ships offshore during quarantine periods. The reef is a spot where larger marine life may be encountered, including sharks, turtles, spotted eagle rays, and dolphins.

📍 7.0 km

USS Vandenberg (Wreck)

⚓

A well-known Key West dive on an ex-military missile tracking ship that was intentionally sunk over a decade ago. The wreck sits in deeper water, with the site spanning roughly 70–100+ ft, and is described as suitable only for advanced to expert divers. Corals are beginning to establish on the structure, attracting a variety of reef fish and larger visitors.

📍 8.4 km

Marker 32 Reef

⚓

Marker 32 Reef lies about 6 miles south of Key West, next to Western Sambos Reef. It is described as a very easy dive with spur-and-groove coral formations and two mooring balls on the site. Marine life reported here includes nurse sharks, moray eels, spiny-tail lobsters, sergeant majors, blue tangs, and goliath groupers.

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Frequently Asked Questions

What's the best entry point at Rock Key?

Entry at Rock Key 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 Rock Key?

Optimal conditions at Rock Key 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 Rock Key?

Depth and visibility information for Rock Key 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 Rock Key?

When diving Rock Key, 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.