It also refers to the region that includes this island along with Skúvoy and Stóra Dímun.

[3] Other settlements include Skarvanes, Skopun, Skálavík, Húsavík and Dalur.

Sandoy gets its name from the large beach at Sandur, and the general sandy soil of the island.

And people who have gardening interests have generally an easier time getting plants to grow here.

[5] An additional IBA on the island comprises the lowland areas around the village of Sandur, with their moorland and peat bogs, and the lakes Gróthúsvatn, Lítlavatn, Sandsvatn and Stóravatn, because they support 100-150 breeding pairs of Eurasian whimbrels.