The Isles of Scilly are visited by a number of marine mammals and is a stronghold for Grey seals. These charismatic and popular species play important roles in marine ecosystems and the economy of the islands.
Whales, dolphins and porpoises are sometimes seen from the Scillonian or from boats moving around the islands. Common dolphins, Bottlenose dolphins and Harbour porpoises are seen most often.
If you see a marine mammal you can report your sighting by filling our our marine life sighting form.
The Isles of Scilly is a stronghold for Grey seals. These charismatic and popular species play an important role in the marine ecosystem and island tourism.
Whales, dolphins and porpoises can sometimes be seen from the Scillonian, from boats moving around the islands and even from shore.
Marine life sightings
Scilly has a wonderful marine environment and you never know when you may spot a porpoise, dolphin or seabird. Find out about marine life sightings and let us know what you see.
Information on what to do if you find a stranded marine mammal, either dead or alive.