

Best for intermediate divers, 16-50m, boat entry, strong current.
Fastnet Rock offers open-water diving along reef structures and walls that descend from 16 to 50 metres, with an average depth of 30 metres. Located 11.3 kilometres from the coast, this site is strictly boat-accessible and requires careful planning around slack water to manage strong currents and unpredictable surge against the rock face. Visibility typically ranges between 10 and 20 metres. Given the water temperatures of 10 to 12 degrees Celsius, a drysuit is recommended. This site is suited for intermediate divers capable of handling challenging open-water conditions. Divers should remain vigilant for jellyfish and sharks while monitoring depth and potential entanglement risks.
51.38888, -9.60362
Plan your dive around slack water because the currents here run hard and the swell can surge unpredictably against the rock face. Confirm boat and skipper availability locally before you travel, as access is entirely boat-dependent and arrangements vary by operator.
Boat access is required to reach the site located 5km southwest of Cape Clear and 15km from Schull.
Recorded at this site
Depth
16-50m
Visibility
10-20m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
10-12°C
Current
Strong
Typical Dive
45 min
Best Time
Jun, Jul, Aug, Sep
The site features reef and wall topography ranging from 16 to 50 metres, with an average depth of 30 metres.
No, this site is rated for intermediate divers due to the strong currents, surge, and open-water conditions.
Access is entirely boat-dependent. You must confirm boat and skipper availability locally before travelling.
Snorkelling is not recommended due to the depth of the reef and wall structures, as well as the strong currents and surge.
Divers must contend with strong currents, unpredictable surge, cold water temperatures, and potential encounters with jellyfish and sharks.
Diving at Fastnet Rock in Baltimore requires the following certifications: Advanced. Always dive within your training limits.
A drysuit recommended is recommended for diving at Fastnet Rock in Baltimore. Water temperatures range from 10°C to 12°C.
The best months to visit Fastnet Rock in Baltimore are June, July, August, and September. Conditions outside these months can still be good but are less predictable.
Fastnet Rock in Baltimore can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Fastnet Rock in Baltimore typically ranges from 10 metres to 20 metres. Conditions vary with weather, tides, and seasons.