Ronas Voe is a fjord-like inlet in the Shetland Islands defined by towering red granite cliffs and numerous sea caves. This advanced snorkelling site offers visibility ranging from 5 to 25 metres. Access is possible via both shore and boat, though strong currents and surf are present. The environment is cold, with water temperatures fluctuating between 8C and 13C throughout the year. Due to the overhead environment and cold water conditions, appropriate thermal protection is essential. The site is also subject to boat traffic, requiring careful navigation. Facilities including a cafe and dive shop are available nearby in Shetland.

Sands of Breckon, located at the northern tip of Yell in the Shetland Islands, features a reef environment characterised by white shell-sand and rocky edges. The bay is well-sheltered from prevailing winds, providing calm conditions suitable for beginner divers and snorkellers. Water temperatures are cold throughout the year, ranging from 8C to 13C, and cold water shock is a significant hazard. A wetsuit is strongly recommended for all in-water activities. The site supports a variety of temperate marine life, including various reef fish and invertebrates typical of the region. Access is via a shore entry, with parking facilities available nearby.

Lunna Kirk is a shore-access snorkel site located in the Shetland Islands. The site features a rocky reef that transitions into a sandy bottom, providing a varied topography for exploration. Snorkellers can navigate through dense kelp forests and examine rocky crevices within the waters of Vidlin Voe. Conditions at this site vary, with water temperatures ranging from 8C in the winter months to 13C during late summer. Due to its accessible nature and diverse underwater terrain, it is well-suited for beginners. Snorkellers should be prepared for temperate marine conditions while exploring this coastal environment.

North Ham is a reef site located in the Shetland Islands, characterised by a rocky seabed and red granite cliffs. Divers and snorkellers can explore this area at depths ranging from 2 to 8 metres, with an average depth of 4 metres. Entry is via the shore, and the site is suitable for intermediate divers. Conditions include mild currents and visibility between 10 and 25 metres. Water temperatures are chilly, ranging from 8 to 13C throughout the year, making a drysuit recommended. Hazards at this location include cold water, potential entanglement, and surf. Parking facilities are available nearby.