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Scuba diving in Upper Keys, Florida
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Upper Keys

Florida, United States5 dive sites

About This Area

The Upper Keys, from Key Largo to Islamorada, feature the only living coral barrier reef in the continental U.S. and John Pennekamp Coral Reef State Park. This northern section of the Florida Keys offers exceptional dive experiences for all skill levels with historic shipwrecks and vibrant marine life.

Features

  • •John Pennekamp Coral Reef State Park - America's first underwater park
  • •Historic wrecks including the Spiegel Grove, Duane, and Bibb
  • •Extensive coral reef systems within the Marine Sanctuary
  • •Shallow reefs perfect for beginners and snorkelers
  • •Technical wreck diving opportunities
  • •Visibility 40-100 feet, best in summer months

Diving Tips

  • •Water temps 76-86°F year-round
  • •Boat dives standard; limited shore access
  • •Summer offers calmest seas and best visibility
  • •Rash guard usually enough; 3mm wetsuit in winter
  • •Plan deep wreck dives with experienced operators
  • •Hurricane season (June-Nov) can affect conditions

Map Area Overview

Current Visibility: Unknown

Dive Sites in Upper Keys

Site background

Carysfort Reef

BEGINNER

Site Type

Boat

Avg. Depth

25ft

Typical Vis.

60ft

Conditions

GOOD
View Details
Site background

Christ of the Abyss

BEGINNER

Site Type

Boat

Avg. Depth

20ft

Typical Vis.

50ft

Conditions

GOOD
View Details
Site background

Spiegel Grove

ADVANCED

Site Type

Boat

Avg. Depth

80ft

Typical Vis.

60ft

Conditions

GREAT
View Details
Site background

Molasses Reef

BEGINNER

Site Type

Boat

Avg. Depth

25ft

Typical Vis.

60ft

Conditions

GOOD
View Details
Site background

Alligator Reef

BEGINNER

Site Type

Boat

Avg. Depth

25ft

Typical Vis.

60ft

Conditions

GOOD
View Details