Guimaras Strait is a body of water in the Western Visayas region of the Philippines, connecting the Visayan Sea with the Panay Gulf and Sulu Sea beyond. To the north and west are Panay and Guimaras Islands, while Negros Island is to the south and east. Bacolod City is a major seaport on the strait, which also provides access to the Port of Iloilo City via the Iloilo Strait.