Culebra · Culebra

Cayo del Agua

Also known as: Cayo Agua Rock · Water Cay

Depth: 30–60 ft (9–18 m)
Access: Boat dive
Type: Pinnacle
Confidence: Moderate confidence

Cayo del Agua is a boat-dive pinnacle off Culebra: a large, cube-shaped rock whose top sits around 30 feet, with sand at about 60 feet. Coral and sponges cover the rock, and schools of Atlantic spadefish are reported; an older guidebook also mentioned barracuda, nurse sharks and sea turtles. Current ranges from mild to strong. The site lies within the Culebra National Wildlife Refuge; check current refuge rules before diving.^[1]^[2]^[3]

Site characteristics

Pinnacle^[1]

Habitat & marine life

coral and sponge growth on rock^[1]
Atlantic spadefish schools^[1]

Marine life is what sources report having seen or commonly seeing — not a guarantee.

Experience & conditions

Culebra Divers via SSI Scubago / MyDiveGuide: “operator rates Beginner/Advanced”^[1]

Attributed descriptions from sources, not our rating. Conditions vary; your training, experience and the day’s conditions decide.

Safety considerations

Current — mild to strong^[1]

Ocean conditions change daily. Dive within your training, plan with current local information and consider a local professional guide. Full safety note.

Protected area

Culebra National Wildlife Refuge (Refugio Nacional de Vida Silvestre de Culebra)
National Wildlife Refuge · U.S. Fish and Wildlife Service · Site position falls inside the official boundary^[3]
NOAA's MPA Inventory classifies this area's protection level as "Uniform Multiple Use"; fishing: restrictions unknown.^[3]

Regulations change. Check with DRNA (Departamento de Recursos Naturales y Ambientales) before diving.

Depth reports by source

Reported	Source	Status
30–60 ft (9–18 m)	Culebra Divers via SSI Scubago / MyDiveGuide^[1]	Current source

Depth (reported range): 30–60 ft (9–18 m)Single source (current tier 1–2)
Access: Boat dive
Site type: Pinnacle
Location: Approximate area shown on the map (within about 1 km).Location evidence: Single published source · dive site point^[1]We show general areas only, not exact positions. Ask a local dive operator for the exact spot and current conditions. Not for navigation.
Protected area: Culebra National Wildlife Refuge

…

Nearby dive sites

Straight-line distance only — not travel time, and not necessarily reached from the same departure point.

Current ocean conditionsBuoy readings, NWS marine forecast, alerts and tides for the Culebra area.Suggest a correctionChanged access, wrong position, another name, a hazard? Submissions are reviewed before any change.

Sources & verification

Last researched: 2026-10-04 · Last independently verified: not yet field-verified · Confidence: Moderate confidence

1.Cayo del Agua (dive site) — Culebra Divers via SSI Scubago / MyDiveGuide · Dive organization · Tier 2: Specialist · accessed 2026-09-25
2.Culebra's Beaches: Diving, Snorkeling, and Kayaking — Moon Travel Guides (Suzanne Van Atten) (2016) · Historical guide · Tier 3: Corroborating · historical
3.NOAA Marine Protected Areas Inventory 2024 (feature service NOAA_MPA_Inventory_2023), State = PR — NOAA NOS Office of National Marine Sanctuaries - MPA Center (2024) · Government dataset · Tier 1: Primary / authoritative · accessed 2026-09-25

Facts are summarised in our own words from the sources above; we do not reproduce operators’ or publishers’ descriptions. How confidence is assigned.

Overview