Mary's Place
Roatán, Bay Islands, Honduras · 12–28m · intermediate · semi
Roatán's most famous dive — deep volcanic crevices draped in gorgonians and black coral, dived single-file.
Conditions today
Retrieved · refreshed hourly
marginal
Marginal — 0.6m effective waves made worse by short-period chop.
Limiting factor: period
- Wave height
- 0.5–1m
- Wave period
- 3.8–4.4s
- Wind chop
- 0.1–0.9m
- Sea temp
- 29.8–30.6°C
Ranges span today's hours. Wave height here is the raw sea state — the rating scales it for how exposed the site is. Semi-exposed — partial protection, so swell is scored at three-quarters of its open-water height.
Next few days
- TodayMarginal — 0.6m effective waves made worse by short-period chop.marginal
- SundayMarginal — 0.4m effective waves made worse by short-period chop.marginal
- MondayExcellent — calm morning with 0.4m effective waves.excellent
Each day is scored over its morning dive window, the same as today's rating.
Dive briefing
AI-generated
The site features deep volcanic crevices draped in gorgonians and black coral, dived single-file. You'll work between 12 and 28 metres, and an intermediate certification will get you through. Conditions are marginal today — short-period chop is the limiting factor, with a raw swell of 0.5–1.0 metres and wave periods between 3.8 and 4.4 seconds. Water temperature sits at 29.8–30.6°C.
Divers commonly log stoplight and striped parrotfish here, along with Atlantic blue tangs, sergeant majors, and Caribbean bluehead wrasses. Four-eyed butterflies and blue chromis are often recorded, and you may spot a Caribbean spiny lobster. Plan your descent and ascent carefully in the variable conditions.
Written by Claude (claude-haiku-4-5-20251001) from the rating, forecast, and sightings on this page — it has no other source and cannot look anything up. Treat it as a summary, not as local knowledge.
Commonly seen here
Most-recorded species near this site, ranked by research-grade iNaturalist sightings from divers, snorkelers, and naturalists.
Sparisoma viride431 sightings- no photoAcanthurus coeruleus322 sightings
Abudefduf saxatilis299 sightings
Thalassoma bifasciatum279 sightings
Scarus iseri216 sightings
Chaetodon capistratus187 sightings
Panulirus argus163 sightings
Azurina cyanea163 sightings
Species come from iNaturalist — research-grade sightings logged by divers, snorkelers, and naturalists nearby. The ranking reflects what people photograph most, not guaranteed abundance. Ask a local operator what's actually being seen. Species names link to iNaturalist for range maps, seasonality and more photos. Photos by iNaturalist contributors under Creative Commons licences — individual credit on hover.
Other sites nearby
Within 25km, closest first — usually the same day's boat.