Inish Barna is a boat-access site located at the mouth of Killary Harbour, Ireland. The topography consists of dramatic underwater walls, canyons, and reefs. Divers can expect depths ranging from 6 to 45 metres, with an average depth of 25 metres. Conditions vary, with visibility spanning 3 to 50 metres and moderate currents. The site is suitable for intermediate divers, and boat access is required. Hazards include potential entanglement, strong currents, and surf. Facilities available at the site include showers and changing rooms. Typical dive times are approximately 50 minutes, and the site is also suitable for snorkelling.

The Barge is a wreck dive site located in Ireland. The site is shallow, with an average depth of 6 metres. Divers should be aware that conditions at this location can vary, and strong currents are a known hazard. Due to the presence of these currents, the site is best suited for intermediate divers. Water temperatures at the site fluctuate throughout the year, ranging from 9C in the winter months to 16C during the late summer and early autumn. As a wreck site, it offers a specific underwater topography for those interested in maritime history.

Doonee Beacon is a marine reef site in Ireland suitable for beginner divers. The site features a consistent depth of approximately 10 metres. Access is exclusively by boat. Divers should be prepared for variable conditions, as the site is subject to moderate currents, surf, and potential low visibility. Hazards at this location include cold water temperatures, which range from 9C to 16C throughout the year, as well as risks of entanglement and the presence of sea urchins. Given the environmental factors, divers should maintain appropriate awareness of their surroundings and thermal protection requirements.

Rosroe Pier in Ireland offers a shore-entry dive featuring a combination of reef and kelp forest habitats. The site maintains an average depth of 8 metres. Conditions are variable, with visibility ranging from 5 to 50 metres and mild currents present. Water temperatures fluctuate between 9C in the winter and 16C during the late summer months. Due to the nature of the location, divers should remain aware of potential boat traffic in the area. Parking facilities are available for visitors. This site is suitable for beginner divers.

The Fishing Boat Wreck is a compact wreck site located off the coast of Ireland near Galway. Resting at depths between 18 and 23 metres, with an average of 21 metres, the site is suitable for intermediate divers. Access is possible via both shore and boat. Divers can expect mild currents and visibility ranging from 5 to 10 metres, providing a manageable environment for inspecting the hull structure. Given the water temperature range of 9 to 16 degrees Celsius, a drysuit or a 7mm wetsuit is recommended for comfort. Typical dive times are approximately 40 minutes. Always check locally for current access arrangements and facility availability before travelling.

Carraig Cois Ceim is a reef dive located off the southwest coast of Mayo, Ireland. This site is suited for intermediate divers, with depths ranging from 18 to 30 metres. Access is strictly by boat due to a strong surf break at the shore. Divers can expect visibility between 10 and 30 metres, with the clearest conditions typically occurring during settled summer weather. Water temperatures fluctuate between 9 and 16 degrees Celsius throughout the year, necessitating appropriate thermal protection. Be aware of potential currents in the area and monitor local conditions closely before descending to the reef.

Doonagheena is a marine dive site located in Ireland. The site features a consistent depth of approximately 11 metres. Conditions at this location vary, with water temperatures ranging from 9C in the winter months to 16C during late summer. Given the depth and environmental conditions, this site is suitable for divers with appropriate training for temperate marine environments. Access to the site is typically via boat, though local conditions should be assessed prior to entry. As there is no specific data regarding marine life at this location, divers should expect typical temperate marine habitats.

Dumhnach Beach on Inishbofin Island offers a shore-entry snorkelling experience across reef and seagrass habitats. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Visibility typically spans 10 to 20 metres. Due to the nature of the location, divers and snorkellers should be aware of strong currents, rip currents, and surf conditions. Water temperatures remain cold throughout the year, fluctuating between 9C and 16C, so short durations are recommended unless you are experienced in cold water. Facilities at the site include showers and a local dive shop.