Flower Garden Banks

Exploring and caring for special places in the Gulf of Mexico that inspire and connect us all.

Sanctuary Expansion

Flower Garden Banks National Marine Sanctuary has been expanded from 56 square miles to 160 square miles to protect additional critical habitat in the Gulf of Mexico, effective March 22, 2021. This means that the sanctuary is now made up of 17 different reefs and banks within 19 separate boundaries. You can explore the entire sanctuary and it's surroundings within the story map below.

Learn more about the sanctuary expansion