Runabay Head Shoreline is a rugged reef site located between Torr Head and Cushendun. The topography features dramatic underwater drop-offs and large boulders. This site is suited for advanced divers due to strong currents and potential surf conditions. Entry is via the shore, and visibility typically ranges from 20 to 40 metres. Depths begin at 8 metres and extend deeper. Water temperatures fluctuate between 8C and 14C throughout the year. Facilities available at the site include parking, toilets, and showers. Snorkelling is possible but rated 2/5 due to the challenging conditions.

Dalriada Pier in Strangford Lough offers a sheltered snorkel experience suitable for beginners. The site features accessible rocky gullies and a rare seagrass bed, providing a diverse environment for observation. Entry is straightforward, with a gentle access point located beneath the pier slipway. Water temperatures at this location range from 8C to 14C throughout the year. Species recorded around this area include wrasses, catsharks, rock crabs, brittle stars, sea stars, tube worms, snails, European green crabs, rockpool prawns, shannies, and sea squirts. The site is protected from prevailing winds, making it a reliable location for those looking to explore the local marine habitat.

Cushendall Boat Park offers a sheltered shore entry point situated near the local RNLI station and sailing club. This site is suitable for beginners, providing access to rocky edges and kelp fringes that extend towards Gilbert Rock. Water temperatures at this marine location fluctuate between 8C and 14C throughout the year. Snorkelers may encounter various marine life, including snails, which are very common, particularly in August. Other species recorded at the site include European green crabs, rock crabs, brittle stars, sea stars, rockpool prawns, and shannies. The site provides a manageable environment for those developing their snorkelling skills in a coastal setting.

Cushendall Gullies in Strangford Lough features a series of rocky gullies reaching depths of approximately 6 metres. This shore-entry site is best explored by following the rocky shoreline north from the entry point. Snorkellers can observe a variety of marine life, including snails, which are very common, particularly in August. Other species recorded at the site include European green crabs, rock crabs, brittle stars, sea stars, shannies, and rockpool prawns. Water temperatures at this location vary between 8C and 14C throughout the year. Due to the nature of the terrain, this site is suited for intermediate-level snorkellers.

Loughan Bay, located south of Torr Head in Strangford Lough, offers a remote snorkelling experience for advanced practitioners. Access requires a steep scramble down to the foreshore, where the topography consists of wave-washed metamorphic rock platforms and deep rock pools. Water temperatures at this site range from 8C in March to 14C between August and October. Due to the exposed nature of the coastline and the challenging entry, this site is rated 2/5 for snorkelling. It is best suited for those comfortable with rugged, wild coastal environments and variable sea conditions.

Red Bay Shore in Strangford Lough offers a varied underwater landscape featuring a kelp-covered boulder wall that transitions into a sandy seabed. This site is suitable for beginners, with depths ranging from 3 to 10 metres and an average depth of 5 metres. Access is via old concrete steps located on the Garron Road, with parking available nearby. Divers should be aware of cold water temperatures, which fluctuate between 8C and 14C throughout the year, as well as potential rip currents and surf conditions. The site is also suitable for snorkelling, holding a rating of 3 out of 5.

Portaleen Harbour at Torr Head is a rugged coastal site featuring deep canyons and underwater drop-offs. The topography is defined by extensive kelp forests and rocky reef structures. Entry is via a small slipway at the harbour. This site is suited for advanced snorkelers due to the presence of strong currents in the area. Water temperatures fluctuate between 8C and 14C throughout the year. As a wild coastal environment, it offers a challenging experience for those comfortable with variable marine conditions.

Garron Point in Strangford Lough offers a shore-accessible dive and snorkel site defined by its dramatic limestone and basalt ledges. The underwater topography consists of rocky reefs and deep gullies, reaching depths of up to 10 metres. Conditions at this site are variable, with moderate currents and visibility typically ranging between 5 and 10 metres. Due to the presence of surf, cold water temperatures between 8C and 14C, and moderate currents, this site is best suited for intermediate divers. Parking is available near the entry point. The site provides a rugged coastal environment for both diving and snorkelling activities.