under the sea at Grand Cayman Island

A Guide to Grand Cayman Island’s Underwater Wildlife and History

Ever dreamt of encountering the mysteries of the deep blue while staying on a paradise island? Well, welcome to Grand Cayman Island, a diver’s paradise and an ocean lover’s dream. For those who wish to be immersed not only in the turquoise depths but also in the island’s comforting hospitality, Grand Cayman vacation rentals provide an ideal base from which to embark on these aquatic adventures. Join us as we snorkel through the crystal-clear waters and unravel the mesmerizing marine life of Grand Cayman Island. Ready to make a splash? Dive in! 

Dive Sites Not to Miss: From Shipwrecks to Coral Gardens

Wildlife in Stingray City

Grand Cayman Island is renowned for its stunning dive sites that offer a window into the vibrant underwater world. Here are some of the most popular scuba diving sites around the island where visitors can witness a wide array of marine life:

Photo Credit: ‘Sandbar at Stingray City’ by Acquarius Sea Tours via CC BY-NC-ND 4.0 DEED

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Did you Know?

Grand Cayman Island, and surrounding waters, are home to over 240 shipwrecks, including the Doc Paulson, USS Kittiwake and the Oro Verde.

Stingray City

Located on the North Sound of Grand Cayman Island, Stingray City is perhaps the most famous dive site on the island and stands out as a must-visit diving and snorkeling spot. Originally a popular spot for fishermen to clean their catch, it’s now home to a friendly congregation of Southern Stingrays that eagerly greet visitors. Not your typical dive site, it’s a shallow sandbar where visitors can wade in the water or dive to interact closely with the stingrays. 

These majestic creatures, accustomed to human presence, gracefully glide around, offering divers and snorkelers a once-in-a-lifetime experience. But the stingrays aren’t the sole attraction. The clear waters also play host to a variety of colorful fish, offering a vibrant backdrop for underwater photography. Whether you’re diving, snorkeling, or simply wading, Stingray City promises an unforgettable aquatic adventure amidst Grand Cayman’s thriving marine life.


Perched on the North Wall of Grand Cayman Island, Babylon is a diver’s dream come true. This captivating site is renowned for its iconic pinnacle that starts around 40 feet and plunges dramatically into the abyss, offering divers a multi-level exploration. As you navigate through its complex terrain, you’ll be enthralled by the sight of magnificent coral formations, including sprawling black corals and vibrant sponges. 

The marine life here is just as mesmerizing. From schools of colorful reef fish dancing around the corals to the occasional eagle ray gliding gracefully in the blue, Babylon provides a rich tapestry of underwater wonders. For those seeking an unforgettable dive that combines both dramatic landscapes and a bustling marine ecosystem, diving at Babylon is a must-do on Grand Cayman Island.

Eden Rock & Devil’s Grotto

Found close to George Town’s heart on Grand Cayman Island, the adjacent dive sites of Eden Rock and Devil’s Grotto attract divers with an extensive network of tunnels, caverns, and grottos. These easily accessible scuba dives immerse visitors in a world where sunlight pierces through openings, illuminating the water in ethereal beams. 

Diving through Eden Rock and Devil’s Grotti, you’ll be met with vast schools of silversides that shimmer like silver curtains, their dance often observed by the curious eyes of tarpons. Add to this the colorful parrot fish nibbling at the corals, and the occasional elusive moray eel peeking out from its crevice. 

USS Kittiwake

Anchored off the shores of Seven Mile Beach in Grand Cayman Island lies the illustrious USS Kittiwake, a former US Navy Submarine Rescue Ship. Purposefully sunk in 2011, this 251-foot vessel now rests as an artificial reef, inviting divers to traverse its five decks and immerse in maritime history. As you explore the ship’s chambers, from the engine rooms to the captain’s quarters, you’ll witness how nature has claimed this steel giant. 

USS Kittiwake Grand Cayman

Over the years, corals have begun to adorn its surface, and schools of fish, including snappers and grunts, have made it their abode. Observant divers might also spot the playful antics of barracudas or the delicate sway of sponges and anemones in the currents.

Photo Credit: ‘Grand Cayman Vacation’ by Curtis & Renee via CC BY-SA 4.0 DEED

The USS Kittiwake not only offers a journey into naval history but also serves as a thriving sanctuary for marine life, making it a unique, must-dive site on Grand Cayman Island.

Marine Wildlife to Look Out For

When visiting Grand Cayman’s best dive sights, it’s fun to know what marine life you’re looking for to make the most out of your underwater adventure. Here is a list of some of the best underwater creatures you can expect to encounter on your dives. 

Stingray Grand Cayman Island

Southern Stingrays: Southern Stingrays are flat-bodied, diamond-shaped creatures known for their smooth texture and long, whip-like tails. Revered for their elegance and gentle nature, these rays glide effortlessly through the ocean, often skimming the sandy seabed in search of food. On Grand Cayman Island, the most iconic spot to encounter these magnificent beings is at Stingray City. Located in the shallow waters of the North Sound, Stingray City offers visitors an unparalleled opportunity to interact with and even feed these friendly rays.

Barracudas: Barracudas have elongated bodies and razor-sharp teeth, and are often the silent observers of the ocean depths. Their reflective silver scales and piercing gaze make them both fascinating and menacing looking. While they may appear intimidating, barracudas are generally curious and harmless to divers. In the waters around Grand Cayman Island, these sleek predators can be spotted in various dive sites, especially around coral reefs and shipwrecks, where they often hover motionless, watching the world around them. 

Green Sea Turtle Grand Cayman

Turtles: On Grand Cayman Island, the most commonly spotted turtle species are the Green sea turtles and the Hawksbill turtles. These gentle reptiles can often be seen casually gliding near coral reefs or grazing on seagrass beds. Besides wild encounters, the Cayman Turtle Centre in West Bay offers visitors an opportunity to learn about turtle conservation and even interact with these magnificent creatures up close. 

Photo Credit: ‘Chelonia mydras (green sea turtle) (Grand Cayman Island, Caribbean Sea) 2’ by James St. John via CC BY 4.0 DEED

Nurse Sharks: Nurse sharks, with their broad heads and calm demeanor, are a delight to spot in the waters of Grand Cayman Island. These docile sharks often rest on sandy bottoms especially in areas with abundant marine life where they seek their prey (mostly small fish and crustaceans). While their size might be daunting, nurse sharks are generally harmless and are a special sight for divers fortunate enough to witness them in their natural habitat.

Moray Eels: Moray eels, with their elongated bodies and distinctive jaws, are intriguing inhabitants of Grand Cayman’s underwater world. Often hiding in crevices and holes of coral reefs, they peek out with curious eyes.

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Fun fact;

Although they appear green, moray eels have brownish or grey skin that mixes with a layer of yellow mucus—causing a green hue to appear.

Squid and Octopus: Squid and octopuses are mesmerizing inhabitants of Grand Cayman’s marine world. With their ability to change colors and textures in the blink of an eye, they are masters of camouflage. While they can be elusive, keen-eyed divers might spot them, especially during night dives. 

An Abundance of Fish: ​​When plunging into the crystalline waters of Grand Cayman Island, divers are greeted by a colorful and dynamic array of fish. Tarpons, with their silver scales reflecting the sunlight, are often spotted around Eden Rock and Devil’s Grotto, swimming majestically amidst dense schools of shimmering Silversides that dance in and out of caverns. 

The vibrant hues of parrotfish can be seen nibbling on coral reefs, their beak-like mouths making distinctive scraping sounds as they graze. Additionally, the waters boast an array of other marine wonders, from the elegant butterfly fish darting around corals to the unique Red LionFish. 

Grand Cayman’s Waters are Fish-tastic

From stealthy sharks to gleaming tarpon, Grand Cayman’s marine realm is a diver’s paradise. Whether you’re a seasoned diver or a snorkeling enthusiast, the island’s azure waters promise unforgettable encounters and memories to cherish. Dive in, and let the marine magic reel you in, hook, line, and sinker! 🐠🦑