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.

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.

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.

The SS City of Chicago is a shipwreck site located 1800 metres off the coast of Ireland. This dive is suitable for intermediate divers and requires boat access. The wreck lies at an average depth of 18 metres, with a depth range between 16 and 20 metres. Divers should be prepared for moderate currents and visibility typically ranging from 5 to 10 metres. Hazards at this site include the overhead environment of the wreck, potential for entanglement, and deep water. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the region.