The Elbow (or Elbow Reef) is a coral reef located within the Florida Keys National Marine Sanctuary. It lies to the east of Key Largo, within the Key Largo Existing Management Area, which is immediately to the east of John Pennekamp Coral Reef State Park along the Hawk Channel passage. This reef is within a Sanctuary Preservation Area (SPA). The Elbow is southwest of Carysfort and east of Dry Rocks reefs.

• NOAA National Marine Sanctuary Maps, Florida Keys East
• NOAA website on Elbow Reef

• Benthic Habitat Map