Mission Santa Cruz y San Bueneventura de Guadalquini

 (1684-1696) - A Spanish mission established in 1684 on present day Black Hammock Island in Duval County, Florida. Originally located on St. Simons Island, Glynn County, Georgia (1605-1684) and moved to this location in 1684. Abandoned in 1696. Also known as Mission San Buenaventura de Guadalquini.

Current Status
Archeological Site 8DU81, Black Hammock Island, Duval County, Florida

Sources: Links:
 * North American Forts - Mission Santa Cruz y San Bueneventura de Guadalquini
 * Wikipedia - San Buenaventura de Guadalquini
 * NPS - Santa Cruz y San Bueneventura de Guadalquini