<Tr> <Th> Region </Th> <Td> Gulf of Mexico </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 27 ° 55 ′ N 93 ° 43 ′ W ﻿ / ﻿ 27.917 ° N 93.717 ° W ﻿ / 27.917; - 93.717 Coordinates: 27 ° 55 ′ N 93 ° 43 ′ W ﻿ / ﻿ 27.917 ° N 93.717 ° W ﻿ / 27.917; - 93.717 </Td> </Tr> <P> The Flower Garden Banks National Marine Sanctuary is a U.S. National Marine Sanctuary located 100 nautical miles (185 kilometers) offshore of Galveston, Texas in the northwestern Gulf of Mexico . </P> <P> Underlying salt domes forced the seafloor upward in various areas of the Gulf of Mexico, resulting in the formation of rises and banks . Conditions of the Gulf of Mexico were conducive to reef - building, which started roughly ten to fifteen thousand years ago . </P>

Where is the flower garden in the gulf of mexico