Sombrero Reef Snorkeling & Sandbar Swim

Price Per Person

$109.00

Departure

Faro Blanco Marina
Duration

3.5 Hours
Highlights

● Sombrero Reef Snorkeling
● Molasses Key Sandbar
● 3rd Largest Barrier Reef
● Power Catamaran
Included

● Snorkeling Gear
● Floating Mat
● Cooler & Ice

The Best Of Marathon

On this incredible tour, passengers will snorkel at the legendary Sombrero Reef and visit the secluded sandbar at Molasses Key!

Sombrero Reef & Molasses Key

On this tour, you’ll cruise towards Sombrero Reef to snorkel the magnificent reef teeming with marine life and coral. After, enjoy the sandbar at Molasses Key where we’ll be the only guests.

El Farito

  • Towel
  • Sunscreen
  • Sunglasses
  • Drinks
  • Snacks
  • Cooler & ice are provided

Stop by El Farito in the lobby of Faro Blanco Resort & Yacht Club to grab some snacks and a bottle of wine to complement your adventure on the water.

Power Catamaran

Complete With Coast Guard Licensed Captain

Sombrero Reef & Molasses Key

World Famous Reef Snorkeling & Sandbar Swimming

Native Wildlife

Tropical Fish, Birds And More

Related Tours

Yes, Sombrero Reef is not just “good” for snorkeling; it is widely considered one of the most spectacular and vibrant snorkeling destinations in the entire Florida Keys. Located just a few miles off the coast of Marathon, it is the third-largest barrier reef in the world and offers an accessible, world-class experience for snorkelers of all skill levels.

What makes it so exceptional is that it is a federally protected Sanctuary Preservation Area (SPA). This designation means that all fishing, spearfishing, and anchoring on the reef are strictly prohibited. The result of these protections is a thriving, balanced ecosystem that looks like a real-life aquarium. The fish are abundant and unafraid, and the corals are shielded from the anchor damage that plagues many other reefs.

The reef’s “spur-and-groove” formation creates a stunning underwater landscape. Imagine “fingers” of dense, shallow coral (the spurs) separated by sandy channels (the grooves). This topography allows snorkelers to float over coral gardens in water as shallow as 5-10 feet, then swim over deeper 25-foot channels, observing the different marine life that inhabits each zone.

The reef is marked by the historic Sombrero Key Light, an iron lighthouse built in 1858, which provides a stunning backdrop to your adventure. The combination of its protected status, unique geology, and the sheer density of marine life makes it an unparalleled location. For anyone visiting the Middle Keys, an excursion for sombrero reef snorkeling is an absolute must-do activity.

This is a critical question for any visitor. First, it is essential to know that you cannot swim to Sombrero Reef from the shore. It is an offshore reef system located several miles into the Atlantic. You must have a boat to get there.

You have two primary options for accessing the reef:

  1. By Private Boat (or Rental): If you have your own vessel or rent one, you can navigate to the reef yourself. However, you must be knowledgeable about the area and the law. You cannot drop an anchor anywhere on the reef. You are required to locate and tie up to one of the public mooring buoys that are permanently drilled into the sea floor. These buoys are white with a blue stripe and are available on a first-come, first-served basis. During busy times, they can fill up quickly. You will also be responsible for bringing all your own snorkeling gear, safety equipment, and the legally required dive flag.
  2. On a Licensed Snorkel Tour: For the vast majority of visitors, this is the safest, easiest, and most recommended option. Booking a trip with a professional tour company (like our own) removes all the guesswork. A licensed captain navigates you directly to the best part of the reef and properly secures the vessel to a mooring buoy. We provide all the necessary, high-quality snorkeling gear (mask, snorkel, fins, and safety vest) and give a thorough safety briefing. Our crew is in the water with you to ensure your safety and point out marine life. This is the best way to experience sombrero reef snorkeling without any of the stress, allowing you to simply relax and enjoy the underwater world.

Sombrero Reef is located approximately 3.5 to 5 nautical miles (about 4 to 6 statute miles) off the coast of Marathon, depending on your departure point from Vaca Key, Boot Key, or Key Colony Beach.

This distance is what makes the reef so special. It is far enough offshore to be in the clearer, bluer waters of the Gulf Stream, away from the coastal runoff and suspended sand that can sometimes cloud water near the shore. At the same time, it is close enough to be reached by a short, comfortable 15- to 20-minute boat ride.

This offshore location is precisely why you cannot swim to the reef from any beach, including the popular Sombrero Beach. The distance is far too great and would require crossing active, heavy boat channels. The only safe way to access the reef is by boat.

This is one of the most common and understandable questions snorkelers have! The answer is yes, and that is a sign of a very healthy reef. Sharks are a natural and vital part of the ocean’s ecosystem. However, the sharks you are likely to encounter at Sombrero Reef are not the ones from movies.

The most common shark sighting is the Nurse Shark. These are docile, bottom-dwelling sharks that are often seen resting motionless on the sandy bottom under a coral ledge. They are completely harmless to humans and are a thrill to see in their natural habitat.

On occasion, you may also see small, timid Reef Sharks (like a Blacktip) cruising in the distance. These sharks are naturally wary of humans and have no interest in snorkelers. They are simply going about their business in their home.

It is important to put this in perspective. The real dangers at the reef are 100% preventable and have nothing to do with sharks:

  1. Sunburn: This is the #1 danger. The sun is incredibly intense, and the water’s reflection magnifies it. Always wear a rash guard or T-shirt in the water and apply generous amounts of reef-safe sunscreen.
  2. Fire Coral: This is a mustard-colored organism that gives a stinging rash if you touch it.
  3. Sea Urchins: These black, spiny creatures are tucked into crevices.

Both fire coral and urchins are easily avoided by following the golden rule of snorkeling: Look, but never, ever touch. By floating, swimming, and never standing on or grabbing the reef, you protect yourself and the delicate coral.

Shark-related incidents involving snorkelers are exceptionally rare. You are infinitely more likely to get a bad sunburn. A trip for sombrero reef snorkeling is an incredibly safe and wonderful activity for the entire family.

Sombrero Beach is one of the most beautiful beaches in the Florida Keys, and yes, it can have beautiful, clear, turquoise water. However, its clarity is highly variable and depends on weather, wind, and tides.

It is crucial to understand that Sombrero Beach and Sombrero Reef are two completely different places. The beach is on the island of Marathon, while the reef is several miles offshore.

Because the beach is on the shoreline, its water quality is affected by different factors than the reef’s. During certain times of the year (especially summer), strong southerly winds can blow in large mats of sargassum (seaweed). This seaweed is natural and important for the ecosystem, but it can accumulate on the beach, making the water near the shore cloudy and giving off an odor as it decomposes.

The reef, being 4-5 miles offshore, is not affected by this shoreline sargassum. It is constantly being flushed by the clear, deep waters of the Gulf Stream. More often than not, the water clarity at the reef is significantly better than the water clarity at the beach. While the beach is a fantastic place to relax on the sand, it is not the location for sombrero reef snorkeling.

While you can enjoy snorkeling year-round in the Keys, the “best” time depends on what you’re looking for. The absolute best conditions for snorkeling are in the summer, from June through August.

  • Summer (June, July, August): This is the prime season for water activities. The winds are typically very light, leading to “flat calm” seas that are as smooth as glass. This makes for a comfortable boat ride and exceptional underwater visibility (often 50-100+ feet). The water temperature is also at its peak, often feeling like warm bathwater in the 80s and even low 90s. The only downsides are the high air temperatures/humidity and the fact that this is the peak of hurricane season (though storms are sporadic, the days are usually perfect).
  • Spring (April, May) & Fall (September, October): These “shoulder seasons” are also a fantastic time. The air temperatures are more pleasant (less hot and humid), and the water is still very warm. The only drawback is that you have a higher chance of a “windy” day, especially in the spring, which can create chop on the water and reduce visibility.
  • Winter (November – March): This is the least reliable time for snorkeling. While this is the “high season” for tourists escaping the cold, it is also our windiest season. Cold fronts pass through regularly, bringing strong winds that make the ocean rough, uncomfortable, and cloudy. Trips are most frequently canceled due to high winds during this period. The water is also at its “coldest,” dipping into the low 70s, which will feel chilly for most people without a wetsuit.

In summary: For the best, most reliable sombrero reef snorkeling conditions—calm, clear, and warm—plan your trip for the summer. For a great balance of nice weather and good snorkeling, aim for the spring or fall. You can enjoy sombrero reef snorkeling year-round, but summer offers the most reliable conditions.

From

$109.00

Per Person