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Kos Diving Guide | DiveJourney | Kos is a land-based Aegean dive and snorkel island rather than a liveaboard destination. The best underwater days run from May to October, when local boats work | Kos
Dive Spot Guide•
Cave Island
A wall-and-plateau dive off northeastern Pserimos Island with a notable cave and
ScubaFreediveBoat EntryAdvanced
CaveDeepReef
Local operator required
Kos-based boat operators are the normal way to reach the site.
Cave Island off Pserimos combines a drop-off wall, a plateau, and a signature cave entrance.
About Cave Island
Cave Island is a dive site off the northeastern side of Pserimos Island and is known for its dramatic wall and cave feature. Divers typically follow the drop-off down the wall and then explore the plateau area. A large cave entrance is a defining landmark of the site. Expect chances to see schooling barracuda along the wall, with sea bream and red sea stars reported on the plateau.
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Research Estimate At Cave Island
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessModerate entry effort
Marine LifeGreat variety
FacilitiesBasic facilities
Current StrengthLight current
Where Is Cave Island?
This spotNearby spots
Community sourced coordinates.
Cave Island Planning Details
Depth range, seasonality, and planning context.
Reported Depth
8m - 50m
Depth Note
The cave sits around 8 m and the first drop-off reaches about 50 m.
Best Season
June to September
Typical Conditions
Boat circuit around Pserimos with a cave, sand patch, and rock walls in clear island water.
Safety & Access At Cave Island
Hazards, restrictions, and access requirements.
Key Hazards
Overhead environment
Safety Notes
Treat the cave as an overhead area and plan the deep drop-off conservatively.
Access Restrictions
Best for experienced scuba divers and advanced freedivers comfortable with boat access, cave terrain, and depth changes.
Legal Notes
Do not disturb the cave walls or marine life; follow the boat route and briefing.
Local Intel For Cave Island
Community notes to help plan your visit.
Scuba
This is a scuba-first boat dive with a cave, a sand patch, rock walls, and a deep outer drop-off.
Freedive
Advanced freedivers may only use the shallower cave and wall sections.
Snorkel
Not a useful snorkel site because the main features sit too deep.
Cave Island Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Cave Island.
Current Snapshot
No data
🌥️Variable
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Sunset
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Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
Rain chance No data
Wind
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Swell
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Exposure Profile at Cave Island
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Wildlife at Cave Island
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Cave Island
Community dive logs and visit reports for this site.
No Dive Logs Yet
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Dive Spot Log Averages At Cave Island
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
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Cave Island Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Cave Island Guide - Sources and Updates
Last Updated
Research Sources
kosdiving.com · Source Page
Liamis Dive Centre – Kos, Greece | Diving Excursions around Kos, Greece
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