[6] Until it opened in 1960,[7] a ferry linked Carinish (on North Uist) with Gramsdale (on Benbecula), but could only operate at high tide.

[10] The main settlements are Baymore (Bàgh Mòr) and Kallin (Ceallan) at the eastern end of the island.

Also in Kallin is The Boatshed, a marine repair facility which promotes traditional skills, and employs a full-time boatbuilder and trainee.

[11] Grimsay is encircled by a single-track road that links most of the island's small croft and fishing settlements together.

There is a fine example of an Iron-Age wheelhouse on the northeast coast of the island at Bàgh nam Feadag.