Flower Garden Banks

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

PROPOSED Sanctuary Expansion

Building on more than 30 years of scientific studies, NOAA is issuing a notice of proposed rulemaking to expand Flower Garden Banks National Marine Sanctuary. The proposal would expand the sanctuary from 56 square miles to 160 square miles to protect additional critical habitat in the Gulf of Mexico. This map shows the revised preferred alternative for expansion as explained in the notice of proposed rulemaking.

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Map of revised preferred alternative for sanctuary expansion

Notes from the Field