The National Oceanic and Atmospheric Administration (NOAA) is amending the regulations implementing the designation of the Flower Garden Banks National Marine Sanctuary (FGBNMS or Sanctuary) and its Management Plan (MP) to apply to a new area, popularly known as known as Stetson Bank, which was added to the Sanctuary by Section 8 of the National Marine Sanctuaries Act (NMSA). NOAA is also slightly adjusting the boundary of the new area to improve administrative efficiency, correcting an error in a boundary coordinate in the West Flower Garden Bank area of the Sanctuary, and increasing the precision of all boundary coordinates based on new positioning technology.