Tail of Boulter's Island with Boulter's Lock to the left
Houses on Boulter's Island
Head of Boulter's Island with Boulter's Lock Wier and the head of Ray Mill Island to the left
Boulter's Island is an island in the River Thames at Boulter's Lock, near Maidenhead, Berkshire. Boulter's Island is accessible by motor vehicle across Boulter's Bridge across the tail of Boulter's Lock. The island has a number of private houses, a restaurant and a small boatyard with a slipway. Ray Mill Island lies alongside to the east separated from Boulter's Island by the Ray Mill Stream.