Vieques · Vieques
Three Rocks Horseshoe
Also known as: Horseshoe and Lobster Reef · Horseshoe Reef · Lobster Reef
- Depth
- 15–60 ft (5–18 m)
- Access
- Boat dive
- Type
- Ledge
- Confidence
- Low confidence
Overview
Three Rocks Horseshoe, also listed as Horseshoe and Lobster Reef, is a Vieques boat dive that combines the Horseshoe reef with a nearby ledge. Depths run from about 15 to 60 feet, with a cavern, overhangs, two communications cables and two cannons. Green and spotted morays, spiny lobsters and nurse sharks are reported.[1]
Site characteristics
- Ledge[1]
Habitat & marine life
Marine life is what sources report having seen or commonly seeing — not a guarantee.
Safety considerations
No site-specific hazards are recorded in our sources. That does not mean there are none.
Ocean conditions change daily. Dive within your training, plan with current local information and consider a local professional guide. Full safety note.
Depth reports by source
| Reported | Source | Status |
|---|---|---|
| 15–60 ft (5–18 m) | Aqua Adventure (Fajardo/San Juan operator)[1] | Current source |
| 35–60 ft (11–18 m) | Colleen Ryan & Brian Savage / Complete Dive Guide Publications[2] | Historical (1998) |
Historical record
What a historical source reported at the time. Not verified as current — access, moorings, reef condition and names may have changed.
Listed as “Horseshoe and Lobster Reef” · 35–60 ft (11–18 m) · 1998[2]
- boat
- horseshoe reef ~50 yd from a small ledge, dived together
- communications cables and two cannons
- small cavern on ledge
Match to this modern site is probable; see research notes.
Sources & verification
Last researched: 2026-10-04 · Last independently verified: not yet field-verified · Confidence: Low confidence
- 1.Scuba Diving in Vieques — Aqua Adventure (Fajardo/San Juan operator) · Dive operator · Tier 3: Corroborating · accessed 2026-09-25
- 2.The Complete Diving Guide: The Caribbean, Volume 3 (Puerto Rico, US Virgin Islands, British Virgin Islands) — Colleen Ryan & Brian Savage / Complete Dive Guide Publications (1998) · Historical guide · Tier 3: Corroborating · historical
Facts are summarised in our own words from the sources above; we do not reproduce operators’ or publishers’ descriptions. How confidence is assigned.