WESTGATE-ON-SEA, a watering-place in the Isle of Thanet parliamentary division of Kent, England, 2 m. W. by S. of Margate on the South-Eastern & Chatham railway. Pop. (1901) 2738. It is of modern growth and noted for its healthy climate. Facing the sea there are gardens and promenades over 1 m. in length, and there is a marine drive along the top of the cliffs. There are also golf links and other appointments of a popular resort. Birchington, immediately to the west (pop. 2128), is also a growing resort. The church of All Saints is Perpendicular, with an Early English tower, and contains some interest int; monuments.