Capernwray is a freshwater lake located in a former limestone quarry, offering a variety of transport-themed wrecks for divers to explore. The site features several sunken vessels, including a harbour minesweeper, a light plane, helicopters, and a Hawker Siddeley 748 passenger aircraft. Diving depths reach up to 20 metres. Entry is via the shore, and the site is suitable for beginners, though divers should be aware of cold water, depth, and potential entanglement hazards. Currents are mild. Water temperatures fluctuate throughout the year, ranging from 6C in February to 18C in August.

Peel Island is a rocky outcrop in Scotland West & Borders featuring a drop-off topography that reaches depths between 3 and 55 metres. Snorkellers and divers can access the site from the shore or by boat, with a sheltered entry point located at the southern secret harbour. The site is situated 100 metres from the shore and is suitable for intermediate skill levels. Water temperatures fluctuate between 7C and 17C throughout the year. Divers should be aware of potential hazards including boat traffic, cold water, significant depth, and low visibility. The habitat supports various temperate freshwater fish and invertebrates.

Bailiff Wood, located on the eastern shore of Coniston Water, offers a distinct topography featuring a stoney plateau that transitions into a steep underwater drop-off. The site is known for its accessibility, making it suitable for beginners to snorkel from the shore. Divers and snorkellers may encounter various submerged artifacts placed at the site, including gnomes and a bath. Water temperatures fluctuate throughout the year, ranging from 7C in the winter months to 17C during the summer. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the region.

Bailif Wood is a freshwater site in Scotland West and Borders featuring a combination of reef and artificial reef structures. Divers can explore depths ranging from 6 to 40 metres, with an average depth of 25 metres. Access is via the shore, and the site is suitable for intermediate divers comfortable with cold water and overhead environments. Visibility typically ranges between 5 and 10 metres, though it can change rapidly. A mild current is present, and the site supports night diving. Facilities available at the location include parking, toilets, and showers. Due to the water temperatures, which range from 7 to 16 degrees Celsius, a drysuit is recommended.

Miller Ground is a shallow, accessible shore entry point located on the banks of Windermere near Bowness. The site features a gradual sandy slope, making it suitable for beginners to practice snorkeling. The area around the jetties provides a sheltered environment for observing the local freshwater habitat. Water temperatures at this site vary throughout the year, ranging from 6C in February to 18C in August. Snorkelers can expect to encounter a variety of freshwater fish and invertebrates typical of the region. The site is rated 2/5 for snorkeling, offering a straightforward experience for those developing their skills in a controlled, shallow environment.

Marine Gardens is a coastal site in Northern England where the River Wyre meets the sea. The topography consists of a mix of sandy and rocky seabed, accessible via a slipway. This site is suitable for beginners, though conditions vary significantly due to the presence of strong currents, rip currents, and surf. Water temperatures range from 7C in winter to 18C in August. Facilities available at the site include parking, toilets, and a cafe. Snorkellers should exercise caution regarding the water movement and local conditions when planning their visit.

Birks Bridge on the River Duddon offers a unique river snorkelling experience within a narrow, deep rock gorge. The site is characterised by its intricate rock formations and the presence of an ancient packhorse bridge. Snorkellers can explore the crevices and features carved into the gorge walls by the river. Access is via the shore, and the site is suited for intermediate snorkellers. Water temperatures fluctuate throughout the year, ranging from 7C in the winter months to 17C during the peak of summer. Due to the nature of the river environment, conditions can vary, and visitors should exercise caution when navigating the gorge.