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The Cataño Ferry () is a single route ferry service between Cataño and San Juan, Puerto Rico. Its route consists of Cataño ⇆ Old San Juan docking at the AcuaExpreso Cataño Terminal in Cataño on the route's southwestern point and at the AcuaExpreso San Juan Terminal in Pier 2 of the San Juan Port in Old San Juan on the route's northeastern point.