Common Seals (Phoca vitulina)
Both Atlantic grey seals (Halichoerus grypus) and common seals (Phoca vitulina) are abundant around the coasts and shores of Fair Isle, and to the delight of visitors, are easy to observe and photograph.

Killer Whales (Orcinus orca)
A number of cetacean species are observed regularly offshore during the summer months and also from the 'Good Shepherd', Fair Isle's mail-boat, on its weekly crossing to Shetland.

Species regularly seen include:
Minke Whale (Balaenoptera acutorostrata)
Killer Whale (Orcinus orca)
White-beaked Dolphin (Lagenorhynchus albirostris)
Atlantic White-sided Dolphin (Lagenorhynchus acutus)
Risso's Dolphin (Grampus griseus)
Harbour Porpoise (Phocoena phocoena)

Other species which also occur in Fair Isle and Shetland waters are:
Long-finned Pilot Whale (Globicephala melas)
Fin Whale (Balaenoptera physalus)
Sperm Whale (Physeter catodon)
Humpback Whale (Megaptera novaeangliae)

Basking Shark (Cetorhinus maximus)
This species is making a comeback into Shetland waters. Following the first sighting since the 1970's, off Buness in October 2004, another was seen in July 2005 and the recovery continued into 2006 with no less than four sightings - two together off the north end of Buness on 21st July followed by singles on 16th, 25th & 30th August.