Ask any avid diver, and they will quickly tell you – a trip to the sunshine state isn’t complete without scuba diving the world famous Florida Keys.
So naturally, while we were in Florida, Joey and I just had to make a long weekend trip to Key Largo.
The Florida Key archipelagos are remnants of an ancient coral reef and sandbars that developed during a period of higher seas in the Pleistocene Epoch, approximately 125,000 years ago. When the last ice age hit and sea level dropped, the reef and sandbars became exposed. This exposure caused them to fossilize over time, creating the arced chain of islands that make up the southernmost point of the USA.
Geographically the Keys lie along the Florida Straits separating the Atlantic ocean to the east from the Gulf of Mexico on the west. This archipelago covers a distance of around 354 kilometers (220 miles). In total there are over 1700 islands that make up the Keys, but because most of these islands are very small, few are inhabited.
Due to the sheer number of islands, the Florida Keys have been divided into several different groups; Upper Keys, Middle Keys, Lower Keys and Outlying Islands. The Upper Keys are located the farthest north, closest to mainland Florida, and the group extends from there down to Key West which is considered to be part of the Lower Keys. The Outlying Islands are Keys that can only be accessed by boat.
Did you know? The Florida Keys get their names from early Spanish travelers and map makers who initially referred to the islands as “cayos.” Over time the English word for small island “kay” or “cay” became used, and eventually, this turned into “key” for Americans.
Anyone who has visited the Florida Keys before can appreciate being on an island surrounded by water. I mean where else can you wake up and practically stride jump into crystal clear waters teeming with fish.
Key Largo is the largest and most northerly situated Florida Key. This island is wedged between the Everglades National Park to the northwest and John Pennekamp Coral Reef State Park on the east.
Having more dive shops than gas stations, this Key is the self-proclaimed “Diving Capital of the World” because of the shallow coral reefs located just offshore but also because of deeper and more technical wrecks which attract scuba divers from all over.
Key Largo is home to John Pennekamp Coral Reef State Park, the first underwater park in the United States founded in 1963.
On top of protecting many seagrass beds and mangrove swamps, the park is home to the only living coral barrier reef in the continental USA which has been protected for more than four decades.
The massive barrier reef is found just offshore and has over 40 living coral species and 650 fish varieties. It offers terrific snorkeling opportunities, in the regions with shallow depths, and scuba diving along the offshore banks where the depths and topography vary between 20 and 35 feet (6 to 10 meters).
Molasses Reef and French Reef are two of the main dive locations where local scuba and snorkeling shops will take tourists looking to check out some of the impressive Key Largo fish populations.
Sea turtles, nudibranchs, grunts, spadefish, trunkfish, butterflyfish, barracuda, morays, snappers, bream, sharks, grouper… The list of potential fauna sightings on any given reef dive is plentiful. If you keep your eyes open and head on a swivel there’s no telling what you will swim across.
Having explored both spots, each with their own collection of dive sites, Molasses was a fan favorite among local divemasters likely because of the spur-and-groove reef formations and seemingly more exciting and frequent animal sightings.
Reef diving aside, for some people, it’s all about the shipwrecks, and I am happy to report that if wrecks are what you seek, you will undoubtedly find them on Key Largo.
In fact, the famous Shipwreck Trail passes parallel to Key Largo. This trail encompasses nine historically significant sunken ships in the Florida Keys National Marine Sanctuary. Three of the five Key Largo wrecks are a part of the trail.
The Spiegel Grove is a mammoth of a shipwreck.
At 510-foot in length, this military vessel was donated by the Maritime Administration from its James River Reserve. The ship was cleaned and sunk as a dive attraction on June 17th, 2002, 11 kilometers offshore of Key Largo.
The wreck first sunk to the bottom on its starboard side but now thanks to a 2005 hurricane it rests upright. The wreckage is found between a depth of 70 to 130 feet with the best part being between the 70 to 90-foot range. Because of the Spiegel Grove’s size, it usually requires divers two dives, to fully appreciate her gigantic size.
The Benwood is an English built ship owned by a Norwegian company. This merchant freighter was 360-feet long and was known to carry cargo such as ore and phosphate rock.
In 1942, during the time of WW2, the Benwood sunk to the bottom of the Atlantic after colliding with another ship, because they were both sailing without lights or radio contact for fear of German submarines.
Now the Benwood is part of the famous Shipwreck trail and is one of the most popular shipwrecks to dive in the Florida Keys.
The City of Washington is a 325-foot long iron-hulled steamer used primarily for passenger and cargo transport between New York, Cuba, and Mexico back in the late 19th century.
Her last day afloat was on July 10, 1917, when she ran aground while being pulled by a tugboat. The ship was a total loss within minutes.
For divers, the City of Washington is part of the Shipwreck Trail. The boat lies in 25 feet of water to the east of Key Largo, on Elbow Reef. The ship is pretty broken up, but still contains the lower bilge section of the steel hull.
The Duane is a 327-foot long Treasury Class Cutter, named for William J. Duane, the Secretary of the Treasury under Andrew Jackson. This historic ship is part of the Shipwreck trail and has a very colorful past which included an impressive wartime and peacetime record. One of her most notable feats consists of the sinking of the German U-boat U-77, on April 17, 1943.
Resting upright on a sandy bottom at a depth of 120 feet, the Duane was purposely sunk as an artificial reef on November 27, 1987. Due to its proximity to the Gulf stream, this shipwreck is notorious for having strong currents and is certainly not a wreck that should be attempted by a novice diver.
The Bibb is a 327 foot-long USCG cutter ship. Before being decommissioned and sunk as a scuba diving site back on November 28, 1987, the Bibb that had a 50-year long career on the open sea.
Currently, the wreck lies on its starboard side in 110 to 130 feet of water. The must-see spots are the crows nest and propeller.
I loved diving on Key Largo – why?
For starters, the water was SO warm and SO clear. Coming from Canada, cold water, and limited visibility is our middle name. Crystal clear sea offers excellent diving conditions with high amounts of underwater life. To enjoy diving in a 3mm wetsuit with very little equipment and to be able to see seascapes of coral well off into the distance was a real luxury.
I also loved the fact that we got to see TONNES of strange and colorful fauna. For a marine biologist like me – my love of diving stems almost exclusively from the animals. No matter how big or small, it is always a treat to stumble across marine critters I haven’t previously encountered on a dive.
Given that Joey and I have only ever dove on Key Largo, we cannot speak for diving the rest of the Florida Keys (that will be for another scuba adventure), but after our time on the island and our success diving I would say the Keys are a definite MUST-DIVE for any scuba enthusiast in the area.
There are many different shops to choose from on Key Largo, and because of this, the price for a dive will vary slightly. On average, however, the cost to dive on Key Largo is around USD 80$ for a half day two tank boat dive. This price includes a dive guide, a light snack, tanks, and weights.
Most dive shops have deals that they can offer divers who are planning on doing multiple dives, which will bring the half day total down as low as USD 60$.
In addition to the dive cost, the price for renting your gear is USD 30$ for everything.
Given the southern latitude of the state of Florida, the diving on Key Largo is easily feasible all year round, and the water ranges from 21°C (in January) to 31°C (in July and August). As a general rule of thumb for Florida diving, the further south you are the more stable the temperatures.
Key Largo’s high seasons coincide with American holidays, which also tends to be when prices are the most expensive. For the best underwater visibility, head to Key Largo during the summertime when you are easily able to see well over 60 feet (18 meters).
Finally, it is also worth mentioning that hurricane season in Florida runs the same as the Caribbean, from June to November.
As one of the biggest diving states in all of the USA, Florida takes their diving pretty seriously. Every shop in the Keys will require that you present your open water scuba certification before getting on a dive boat. If you are doing more technical deeper dives or looking to hit the water with nitrox, you will also need to present proof that you are fully certified and competent.
Looking to go diving in Key Largo? No problem! With more dive shops than gas stations, you are sure to find someplace that will take you out on the reef. We dove with Rainbow Reef Dive Center, and they are certainly one of the largest companies in Key Largo. For the sheer amount of divers and boats coming and going from this dive center, we were both pretty impressed at the overall organization and check-in procedure. Here is a list of all the Key Largo scuba outfitters:
Have you been diving in Key Largo? What dive outfitter did you use? What were your favorite dive site and animal sighting?
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Ikelite Canon EOS 100D Rebel SL1 underwater camera housing in white
SHOOT 6″ Underwater Dome Port for GoPro Hero 6/Hero 5/Hero(2018) Black Camera Diving Lens Hood Housing Photography with Waterproof Case Accessories
Dive hands-free with a diving flashlight glove. This torch holder has a universal adjustable wrist strap scuba and is made of superior nylon material, which means it’s durable and comfortable to wear.
If you’re not quite ready for the expense of big lights, this little video light goes perfectly with any GoPro setup
Black scuba diving turtle fins
The Sony SEL90M28G FE 90 mm f/2.8-22 Macro G OSS Standard-Prime Lens for E (NEX) Cameras.
Dry glove lock system that accommodates all hand sizes
Sony Alpha a6500 24MP mirrorless camera with a 16-50mm lens, able to shoot 4K movies.
The Hydra 5000 WSRU is an all in one photo and dive light with wide, spot, red, and UV modes
GoPro HERO6 Black Camera
Mini blue scuba diving tank key ring with brass pick tool and o-rings
Bare 7mm thick elastek dry suit hood
Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera + 32GB Memory Card + Photo4Less Cleaning Cloth.
Canon EF 70-200mm f/4.0 L USM Telephoto Zoom Lens
AmazonBasics 60-Inch Lightweight Tripod and Bag with adjustable-height legs and rubber feet
Compact underwater scuba diving hand reel with a 150ft of white line on the spool
Sigma MC-11 mount converter lens adapter (Sigma EF-Mount lens to sony E cameras). Essential photo kit contains Altura photo rapid-fire wrist strap, small lens pouch, cleaning kit, and microfiber lens cleaning cloth.
3PC curved armband glow in the dark slate.
Scuba diving 4ft neon yellow surface marker signal tube with “Diver Below” print
Rechargeable Ikelite NiMH battery pack compatible with Ikelite’s DS125, DS160, and DS161 strobes.
Suunto SK-8 wrist compass with bungee straps, faster stabilization, and enhanced readability
Ikelite aluminum digital camera tray with dual handles
Canon Macro Lens EF-S 60mm f/2.8 USM – non Image Stabilised
Suunto Vyper Novo wrist scuba diving computer with USB
Flexible Lightweight Portable Tripod for Projector DSLR Cameras and Go Pro
Ikelite TTL dual flash sync cord attaches two strobe’s to the underwater camera housing.
Black Mares Dragon Scuba Diving BCD
Bare drysuit drawstring scuba gear bag the perfect alternative for transporting a dry suit to-and-from the dive site
Black Mares Cruise Roller Tauchen bag, perfect for scuba diving and traveling
13-inch inflatable dive buoy with a 12 by 11-inch scuba diving flag surface marker
Bare SB System Mens Full Under-layer
Capture amazingly smooth shake-free video with the GoPro Karma Grip
The Cuticate floating dry box is a waterproof sports container perfect to fit money, ID, cards, keys and more. The case is small, portable, compact, and comes with a lanyard clip hook to take with you as you scuba dive.
Compact scuba diving finger spool with 150ft of white line and a 4-inch brass double-ended clip
Ikelite underwater macro lens casing is comprised of an acetyl body with glass front and can hold lenses of 4.37 diameter x 3 inches (111 x 76 mm)
GoPro dual battery charger conveniently charges two HERO6 Black, HERO5 Black, or HERO camera batteries simultaneously
Bare 5mm evoke women’s full suit designed by Bare’s all-female design team. The suit has technically, innovative celliant infrared technology which increase circulation, body warmth and performance.
Ikelite photography strobe DS161 with NiMH rechargeable battery pack
Bare drysuit trek boots designed for rocky shore entries, boat decks, and boat ladders
DUI heavy duty dry suit gloves with yellow liners available in sizes: S, M, L, XL
Bare Sports 5mm men’s wetsuit made with elastek full-stretch nylon-2 and neoprene celliant liner infrared technology.
Diving lens filter kit for GoPro HERO 5/6 which enhances colors for underwater video and photography conditions
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Ikelite compact ball arm for quick release handle