Portskerra Haven is a natural harbour featuring a large central rock and an underwater archway. The site offers diverse topography, with a sheltered inner area containing numerous rock pools, while the outer reef provides deeper caves and boulder formations. Depths typically range from 2 to 10 metres, with an average of 6 metres. This shore-entry site is suited to intermediate divers due to moderate currents and potential surf. Water temperatures vary between 8C and 13C, necessitating a drysuit or thick semi-dry suit for most of the year. Facilities at the site include parking and air fills, with a typical dive duration of 40 minutes.

Farr Bay in Bettyhill is a sheltered coastal site featuring a white sandy beach flanked by low cliffs and rock formations. The bay provides a relatively protected environment for snorkelling in the shallows. Water temperatures at this site vary throughout the year, ranging from 8C in the late winter and early spring to 14C in August. Access to the water is via the shore, making it a suitable location for beginner snorkellers. Conditions at the site can vary, and visitors should be prepared for the temperate North Coast environment.

Ard Neackie is a sheltered sea loch located in Scapa Flow, offering a varied seabed for snorkellers. The underwater topography consists of kelp forests interspersed with stony patches, which can be explored along the slopes. This site is accessible via a shore entry and is suitable for beginners. Water temperatures fluctuate throughout the year, ranging from 8C in the late winter and early spring to 14C in August. With a snorkel rating of 4/5, it provides a accessible environment for those looking to observe the underwater landscape in this region of the United Kingdom.

Sango Bay in Durness offers a shore-entry reef dive characterised by sharp rock formations and varied geology. The site features a series of small inlets and gullies, providing a complex topography for exploration. Depths range from 1m to 10m, with an average of 5m, making it suitable for intermediate divers. Conditions include mild currents and visibility between 5m and 15m. Water temperatures fluctuate between 8C and 14C throughout the year, necessitating appropriate thermal protection. The site is also well-regarded for snorkelling. Facilities at the location include parking and toilets. Divers should be aware of potential hazards including cold water, sharp rock formations, and surf.

Balnakeil Bay is a crescent-shaped bay featuring white sand and rocky outcrops near Faraid Head. This site offers a variety of underwater topography, including kelp forests and caves. It is suitable for intermediate snorkellers who can manage shore entries. Conditions vary, and visitors should be aware of strong currents and surf. Water temperatures range from 8C to 14C throughout the year, with the coldest conditions occurring in late February and the warmest in mid-August. Parking is available for those accessing the site from the shore.