Sombrero Reef

Sombrero Reef is a designated SPA area and is one of the more popular scuba diving and Florida Keys snorkeling destinations in Marathon. The area’s name is derived from the 142’ lighthouse which is located in the northern section of the SPA region.

You’ll see typical Caribbean life like nurse and reef sharks, possible eagle rays, turtles, stingrays, and lots of fish: snapper, angelfish, grunts, parrotfish, and grouper.

Level

Level

  • Beginner
Visibility

Visibility

  • 13 m
Current

Current

  • Light Current
  • No Current
  • Strong Current
  • Ripping Current
DIVE TYPES

DIVE TYPES

  • Night Dive
  • Snorkeling
  • Macro Spot

Temperature & Visibility

Dives

Wildlife Diversity

Dive sites nearby

This spur and groove reef formation sitting 5 miles off of Ramrod Key, in the Florida Keys, is part of the Florida Keys National Marine Sanctuary. Due to it’s protected status, reef life is very healthy and active here. Excellent for beginner to expert divers and snorkelers. Max depth 30 ft (10m).

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The Adolphus Busch wreck was cleaned and purposefully sunk as an artificial reef in 1998 off the coast of the Lower Keys of Florida. Originally named the M/V London, the 210-foot coastal freighter sits at approximately 120ft (40m) with the deck at about 100ft (33m). Current and visibility can vary.

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Captain Grumpy

While we don’t know the story behind the name of this site, we definitely don’t know how anyone could be grumpy after seeing the huge schools of yellowtail snapper, tomtates, eels of all types including spotted, green and viper, numerous nurse sharks, and lobsters.

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Fingers Reef

Classic Florida Keys spur and groove reef formation with large sand channels alternating with high profile coral fingers. An ideal site for seeing spotted eagle rays.

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Crater

50-90’ – Starting in a sand pit at 50’, follow the spur and groove coral structures to the drop off at 90’. Large coral structures with beautiful schools of grunts. Explore the west side of the pit where we frequently see a large school of Southern sennets, typically over 100 in the school.

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Cindy's Corner

45′ – Named after a former Key Dives captain, Cindy’s Corner is soft sand meets a spur-and-groove reef at 45’. Look in the sand for stingrays and blue parrots at the edge of the reef.

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Alligator Reef

NW and SE of Cheeca Rocks, Alligator Reef Sanctuary Preservation Area (SPA) bridges the shallow reefs of the Upper Keys and the deeper reefs of the Middle Keys. This rectangular SPA is a small bank reef protecting a spur-and-groove system, reef crest, and a portion of the northeast rubble ridge.

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Corona

18-25’ – This shallow sprawling reef is a great place to explore. Follow our guides to the best hot spots this reef has to offer. You will see beautiful schooling fish, sharks, several species of eels, turtles and more!

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Kylie's Reef

18-20′ – If coral is what you’re after, this reef is for you. This shallow patch has absolutely incredible stands of stony coral. Massive starlet coral, symmetrical brain coral, knobby brain coral, elliptical star coral, you name it, Kylie has it. This site was named after our in-house coral doctor, Dr. Kylie Smit

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The Haystacks

Haystacks lies on the reef area known as the Western Sambo reef and is an excellent, shallow boat dive. Perfect for snorkelers and all levels of divers.

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