​REDONDA, an island in the British West Indies. It is a dependency of Antigua, and lies 25 m. S.W. of it, in 25° 6' N. and 61° 35' W. Pop. (1901) 120. It is a rocky mountain, rising abruptly from the sea to a height of 1000 ft., and has an area of ½ sq. m. It is valuable for its phosphate of alumina (discovered in 1865), of which 7000 tons are exported every year to the United States.