East Tarbet is a reef site located in Strangford Lough, United Kingdom. The topography is defined by vertical sandstone layers that rise from the seabed. This shore-entry site is suitable for intermediate divers and snorkellers. Conditions at the site are variable, with potential hazards including strong currents, surf, and boat traffic. Water temperatures range from 8C to 15C throughout the year, presenting a risk of hypothermia due to the cold water. Facilities available at the location include parking and a cafe.

Port Mora in Strangford Lough offers a diverse underwater environment featuring reefs, caves, and caverns. This site is suitable for intermediate divers and snorkellers, with shore access available. The topography includes underwater caves accessible at low tide. Conditions vary, with water temperatures ranging from 8C to 15C throughout the year and mild currents present. Divers should be aware of hazards including cold water, potential entanglement, the overhead environment of the caves, and the risk of strong currents. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the region.

Skullmartin Rocks is an offshore reef located 1609 metres from the shore in Strangford Lough. The site is identified by an 11-metre beacon known as the Perch. Topography consists of dramatic bedrock outcrops interspersed with shell gravel beds. Due to the location, this site requires boat access and is suitable for advanced divers only. Conditions are characterised by strong currents, which are a primary hazard for those visiting the area. Water temperatures fluctuate between 8C and 15C throughout the year. While the site is primarily a dive location, it holds a snorkel rating of 4 out of 5.

Chapel Bay, located on the largest of the Copeland Islands in Strangford Lough, is a secluded site accessible exclusively by boat. The area features extensive kelp forests that provide a habitat for various marine life. Species recorded around this area include harbour and grey seals, catsharks, sea slugs, wrasses, giant jellyfish, orange-clubbed nudibranchs, skates, common and squat lobsters, as well as various sea stars and sea hares. Water temperatures at this site vary between 8C and 15C throughout the year. Due to the nature of the location and the boat-based entry, this site is suited for advanced snorkellers.

Robbie's Point is a rocky reef located at the southern end of the coastal park in Donaghadee, Strangford Lough. This shore-entry site features a series of gullies and rock pools suitable for shallow-water exploration. Divers and snorkellers can expect depths ranging from 1 to 10 metres, with an average depth of 5 metres. Conditions at this site are variable, with visibility typically between 3 and 10 metres and moderate currents. Due to the presence of surf and currents, this site is best suited for intermediate-level divers. A typical dive duration is approximately 30 minutes. Water temperatures fluctuate throughout the year, ranging from 8C in March to 15C in August and September.

Kelly's Steps in Strangford Lough is an artificial reef site situated within a designated recreational harbour area. The site features stone steps and pier walls constructed of limestone, which provide a substrate for marine growth. Divers and snorkellers typically explore the area around these structures at depths ranging from 1 to 4 metres, with an average depth of 2 metres. Conditions include moderate currents and visibility between 2 and 5 metres. Due to cold water temperatures between 8 and 15C, dry suits or 8mm semi-dry suits are recommended. Hazards include boat traffic, entanglement risks, surge, and strong currents. Facilities available nearby include parking, toilets, showers, and a cafe.

Ballyvester Beach in Strangford Lough offers a shore-accessible snorkeling experience suitable for beginners. The site features a sandy bay that transitions into rocky, kelp-covered reefs. Water temperatures at this location range from 8C to 15C throughout the year. Divers and snorkellers should be aware of potential surf and sharp coral in the area. Mild currents are typically present. Facilities at the site include a car park and showers for visitor use.

Dully Beach in Strangford Lough features a natural offshore reef that shelters the shoreline from Irish Sea swells. This reef creates a protected, shallow environment suitable for snorkeling at depths between 0 and 10 metres. Access is via a shore entry, and the site is generally suited for beginners. Conditions are characterised by mild currents, though snorkelers should be aware of potential hazards including surf, rip currents, and entanglement. Water temperatures are cool, ranging from 8C to 15C throughout the year, requiring appropriate thermal protection for those spending time in the water. Parking and toilets are available at the site.