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Long Reef

Located in water ranging in depth from 20 to 60 feet in areas, this large reef runs parallel to Elliot Key. The wreck of the Alicia lies here in 20 feet of water.​


  • Avg Depth: 30ft / 9m

  • Max Depth: 60ft / 18m

  • Certification Level: Open Water

  • Features: Reef & Wreck


Half Moon Preserve


  • Max Depth:10ft / 3m

  • Certification Level: Open Water 

  • Features: Artificial Reef & Wreck

Located in only 10 feet of water, about 75 yards northwest of the red marker (#2) from the Bear Cut Channel. This 154-foot sailing yacht sank in 1930. It is now an Underwater Archaeological Preserve within Biscayne National Park.

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Neptune Memorial Reef

Located in 50 feet of water about 3 1⁄4 miles from Key Biscayne, this underwater cemetery provides a wonderful dive opportunity for divers of all skill ranges. The largest man-made reef ever conceived and the most imaginative concept based on recreating the lost city of Atlantis.

  • Avg Depth: 15ft / 5m 

  • Max Depth: 45ft / 14m 

  • Certification Level: Open Water 

  • Features: Coral Reef & Good Snorkeling 

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