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North Pacific guide with seasonal visibility, current, and regional wildlife baselines.
Dive Spot Guide•
Arco Iris, Brumel Island
Rock-face boat dive off Brumel Island with sharks, rays, and fish schools.
Local operator required
Boat access is through local charter operators from the Playa Potrero and Flamingo area.
Short-boat access from Playa Potrero and Flamingo, with a rock formation and sandy channel that can shift with the day's water movement. Best for guided boat dives.
About Arco Iris, Brumel Island
Arco Iris sits off the north side of Brumel Island on Costa Rica's Guanacaste coast, reached by a short boat run from the Playa Potrero and Flamingo side. The site is built around a rock formation that drops into a sandy channel, with regular whitetip reef shark encounters, rays, and dense schools of fish. It is best approached as a guided boat dive that rewards calm-water planning.
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Research Estimate At Arco Iris, Brumel Island
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 12m
AccessSimple entry
Aquatic LifeExceptional variety
FacilitiesBasic facilities
CurrentLight current
SurgeLight surge
Where Is Arco Iris, Brumel Island?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Arco Iris, Brumel Island Planning Details
Depth range, seasonality, and planning context.
Reported Depth
10m - 30m
Depth Note
Reported depth range: 10–30 m (33–100 ft).
Best Season
Year-round, with clearer water often from May through early November.
Typical Conditions
Generally calm with gentle currents and moderate to good visibility. The channel can shift with tide and swell, so the route is best handled as a guided boat dive.
Safety & Access At Arco Iris, Brumel Island
Hazards, restrictions, and access requirements.
Key Hazards
Dangerous wildlife
Safety Notes
A skilled guide is recommended to locate shark activity and manage the dive safely at depth.
Access Restrictions
Boat-only access; no casual shore entry is described.
Legal Notes
Follow the local charter briefing and any area rules in force on the day.
Local Intel For Arco Iris, Brumel Island
Community notes to help plan your visit.
Scuba Diving
Follow the rock face and channel off the island; the line should be adjusted to the day's water movement.
Freediving
Short freedive sessions are possible on the shallow edge, but the site is mainly a guided boat dive.
Snorkeling
Snorkeling works only on the shallow, calmer edges and is secondary to the main dive route.
Wildlife at Arco Iris, Brumel Island
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Arco Iris, Brumel Island
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Arco Iris, Brumel Island
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility12m
Activity
No dive activity logged yet.
