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.

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.

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.

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.

Ringfad, also known as Tommy's Port, is a rocky inlet within Strangford Lough that features a combination of reef topography and dense kelp forests. This shore-entry site is suited for intermediate divers, with typical dives lasting around 45 minutes. Conditions are characterised by mild currents and water temperatures ranging from 8C to 14C throughout the year. Divers should be aware of sharp coral present in the area. Parking is available for visitors, and the site is also suitable for snorkelling, holding a rating of 3 out of 5.

Carnlough Harbour, known for the Braavos Steps, offers a sheltered shore entry into the harbour waters. The site features a mix of reef and artificial reef structures, with inner harbour walls covered in kelp forests. This shallow location is suitable for beginners, with an average depth of two metres. Snorkellers should remain aware of boat traffic within the harbour area. Facilities available at the site include parking, toilets, showers, changing rooms, and a cafe. A typical snorkel session lasts approximately 30 minutes, with water temperatures ranging from 8C to 14C throughout the year.

Cushendun Caves offers a unique coastal snorkeling experience at the base of its distinctive geological formations. Access is via a shingle beach, leading directly into shallow rocky reefs. The site is suitable for beginners and provides a moderate snorkeling experience. Water temperatures at this location vary throughout the year, ranging from 8C in March to 14C during the late summer months. As a shore-entry site, it allows for flexible exploration of the intertidal zone and surrounding rocky structures. Divers and snorkellers should be prepared for cool water conditions typical of the region.

Carnlough Bay is a reef site located in Northern Ireland, offering shore access via a concrete slope equipped with a handrail. The topography consists primarily of a sandy beach, with rocky patches situated at the northern and southern ends of the bay. Conditions are generally mild, with water temperatures ranging between 8C and 14C throughout the year. The site is suitable for beginners and provides facilities including parking, a cafe, toilets, showers, and changing rooms. Due to the water temperature, which does not exceed 20C, the site is not considered suitable for comfortable swimming year-round.