Toscaig Pier is a shore-entry reef site located on the Applecross peninsula. The topography features rocky nooks and crannies that provide habitat for small marine life. Divers and snorkellers can explore depths ranging from 0 to 30 metres, with an average depth of 8 metres. Conditions are variable, with visibility typically between 1 and 15 metres and mild currents. The water temperature remains cold throughout the year, ranging from 8C to 13C, necessitating appropriate thermal protection. The site is suitable for beginners, though users should remain aware of boat traffic and potential entanglement hazards in the area. Parking facilities are available near the pier.

An Dun in Scapa Flow offers a varied environment for snorkellers. The site features a sheltered lagoon accessible at low tide, which is suitable for less experienced visitors. The outer reef area is intended for advanced snorkellers, characterised by dramatic kelp forests and deep gullies. These gullies contain a variety of invertebrates. Water temperatures at this site range from 8C to 14C throughout the year. Access to the water is via the shore.

Mellon Charles is an artificial reef site located in Scapa Flow, consisting of the submerged remains of a former WWII naval base. Divers can explore the old pier structures, which are situated approximately 90 metres from the shore. The site is suitable for beginners, offering a shallow average depth of 6 metres with a range of 3 to 8 metres. Conditions include mild currents and visibility between 3 and 10 metres. Water temperatures fluctuate between 8C and 14C throughout the year. Entry is from the shore, and the site is also well-suited for snorkelling. Hazards include boat traffic and the presence of jellyfish.

Cnap An T Siar is a marine dive site located in the United Kingdom. The site features a consistent depth of 12 metres. Dive records for this location date back to 2015. Due to the limited data available regarding the underwater topography and environmental conditions, divers should approach this site with appropriate caution and local knowledge. It is suitable for those comfortable with the specific depth profile provided. As there is no information regarding marine life or specific hazards, divers are advised to conduct thorough pre-dive planning and assess current conditions upon arrival.