Sandycove Island (Slipway) offers a marine environment featuring rocky reefs and kelp forests. Located 200 metres from the shore, the site is accessible via a shore entry. Divers and snorkellers can explore depths ranging from 1 to 15 metres, with an average depth of 8 metres. Conditions include moderate currents and visibility between 5 and 15 metres. Water temperatures fluctuate between 10C and 16C throughout the year. Due to the cold water, swims exceeding 5 to 10 minutes require experience in cold water environments. The site is suitable for intermediate skill levels and supports night diving. Hazards include boat traffic, jellyfish, and strong currents. Parking is available at the location.

Nohoval Cove is a dramatic coastal site in Ireland characterised by steep cliffs and prominent sea stacks. The topography features underwater gullies and pinnacles, particularly along the eastern side of the bay. This site is suitable for intermediate snorkellers, offering depths ranging up to 12 metres. Access is via the shore. Conditions vary, with visibility typically ranging between 3 and 15 metres and mild currents present. Water temperatures fluctuate throughout the year, reaching a maximum of 16C in the summer months and dropping to 10C during the winter.

Robert's Cove is a sheltered inlet in Ireland that offers shore access for snorkelling and diving. The site features a reef environment with depths ranging from 2 to 12 metres, averaging 7 metres. Snorkellers often explore the eastern rocks, which lead towards small sea caves. Conditions are generally suitable for beginners, though divers should be aware of potential surge. The site is well-equipped with facilities including parking, toilets, showers, changing rooms, air fills, a dive shop, and a cafe. Typical dives last approximately 45 minutes. Water temperatures fluctuate between 10C and 16C throughout the year.

The UC-42 is a German WWI submarine resting upright on the seabed off the coast of Ireland. Located 5500 metres from shore, this wreck sits at depths between 27 and 30 metres, with an average depth of 29 metres. The site is suitable for advanced divers only, as it is subject to strong tidal currents that necessitate careful planning around slack water. Visibility typically ranges from 5 to 10 metres. Divers must be prepared for entanglement hazards on the wreck structure and should carry a cutting tool and a delayed surface marker buoy. Access is by boat only, and water temperatures range from 10 to 15 degrees Celsius throughout the year.

78' Rock is a marine dive site in Ireland featuring a consistent depth of 15 metres. The site offers a temperate underwater environment with water temperatures ranging from 10C in winter to 16C during the late summer months. As a rocky habitat, the area supports a variety of temperate marine life, including various reef fish, crustaceans, and cephalopods typical of the region. Due to the specific depth and environmental conditions, this site is suited for divers comfortable with temperate water diving. Conditions at the site can vary, and divers should plan their excursions according to local maritime forecasts.

The U-260 is a German submarine wreck lying at depths between 38 and 45 metres, with an average depth of 40 metres. Located 7 kilometres from the shore near Cork, this site requires boat access and is suitable only for advanced divers due to the significant depth and strong currents. Divers should be prepared for potential hazards including decompression requirements, nitrogen narcosis, and entanglement risks. Visibility typically ranges from 5 to 15 metres, and water temperatures remain cool throughout the year, fluctuating between 10 and 13 degrees Celsius. The site supports a variety of temperate marine life and invertebrates typical of the region.

The Kowloon Bridge wreck is a significant artificial reef located off the coast of Ireland near Cork. This advanced dive site features the remains of a large vessel resting at depths ranging from 6 to 36 metres, with an average depth of 20 metres. Access is strictly by boat. Divers should be prepared for challenging conditions, including strong currents, surge, and potential entanglement hazards within the overhead environment of the wreck. Due to the depth and technical nature of the site, it is suitable only for experienced divers. Visibility typically ranges between 5 and 10 metres, and water temperatures fluctuate between 10C and 14C throughout the year.