San Martin Lake Channel Map

6.6 mi Port Isabel, Laguna Madre 8.0 mi South Bay entrance 8.2 mi Queen Isabella Causeway (west end) 9.5 mi Coast Guard Station, South Padre Island 9.6 mi Queen Isabella Causeway (east end) 9.9 mi Padre Island, Brazos Santiago Pass 10.0 mi South Padre Island, Brazos Santiago Pass