Puerto Rico Highway 690 (PR-690) is a northâÂÂsouth road located entirely in the municipality of Vega Alta, Puerto Rico. With a length of , it begins at its junction with PR-676 in Bajura barrio and ends at Cerro Gordo Beach in Sabana barrio.
Puerto Rico Highway 6690 (PR-6690) is a spur route that goes to PR-693 from PR-690 near Cerro Gordo Beach.