[Belize] One of the World's Top Ten Dive Sites Is Right Here — Underwater Stalactite Ruins, Shark Escort Squads, and More: Let's Go Diving in Belize!

When it comes to Belize, the most famous attraction is undoubtedly the Great Blue Hole — widely acclaimed as one of the world's top ten dive sites. But beyond the Great Blue Hole, Belize is home to a seemingly endless array of dive sites. Whether you want to shoot sweeping wide-angle shots across coral reefs or hunt for tiny critters with a macro lens, diving in Belize has something for everyone. In Belize, you can even spear Lionfish — and then cook and eat them — all in the name of restoring balance to the marine ecosystem! Join BlueTrend as we explore what other dive sites Belize has to offer, what megafauna you can encounter, and what this Lionfish-spearing activity is all about! *Cover photo courtesy of Aggressor Fleet, used with permission.

Diving in Belize — Witness the World's Largest Underwater Cave: The Great Blue Hole

Belize's most iconic attraction is, without a doubt, the Great Blue Hole — one of the world's top ten dive sites. It is the world's largest underwater limestone sinkhole, formed from porous limestone geology. Originally a subterranean cave system created during the Ice Age, it was flooded and collapsed as sea levels rose, giving birth to the legendary Great Blue Hole we know today.

No diving certification? Don't worry — the Great Blue Hole isn't only for divers. Let's take a look at the different ways to experience it!

Option 1: Charter a Plane and Fly Over the Great Blue Hole

Belize has an abundance of small propeller aircraft available to fly you over the Great Blue Hole. You can charter one with as few as two people — it's about as commonplace as hailing a taxi in Taiwan. Gazing down at the magnificent Great Blue Hole from above reveals its full splendor: from the deepest, most intense blue at the center to the soft, gradual gradient of the surrounding atoll's shallower waters. It resembles the eye of the ocean itself, and a sense of reverence washes over you. The pilot will circle above the Blue Hole for a while, giving passengers plenty of time to capture this precious moment.

Option 2: Dive Into the World's Largest Underwater Stalactite Cave

To dive the Great Blue Hole, you'll need to take a speedboat — approximately a 2.5-hour journey. Boats depart daily from various resorts and cays, carrying divers to the site. The only reason trips are cancelled is an unfortunate encounter with a hurricane (an extremely rare occurrence).

The Great Blue Hole reaches a maximum depth of over 100 m, though recreational divers are typically taken to around 40 m. As a result, an Advanced Open Water Diver certification is required to descend into the Blue Hole. Underwater, the Blue Hole boasts truly unique geological formations — stalactites, stalagmites, and more — that will captivate you the moment you descend. The crystal-clear, impossibly deep blue water, the unfathomable stalactite cave, the abyss below — it feels like stepping into outer space and setting out on an adventure. Due to the Blue Hole's unique conditions, marine life inside the cavern itself is relatively sparse; the surrounding atoll is actually where you're more likely to encounter large animals such as sharks.

Uncovering Belize's Dive Sites and Unique Marine Life

Situated in the Caribbean Sea, Belize's underwater ecosystem and diving atmosphere are worlds apart from those of Southeast Asia. While Taiwan's reefs are dominated by vibrantly colored soft coral, Belize's reefs are characterized mainly by branching hard coral — the kind that, from a distance, makes you feel as though you're adventuring through an underwater jungle, adding an extra layer of mystery. In Belize, it's summer all year round, with only dry and wet seasons to distinguish the months. Aside from the higher chance of hurricanes in August and September, every season is excellent for diving. Conditions are consistently stable, visibility is excellent, and the marine life is abundant — making it a destination we recommend for both beginners and experienced divers alike.

Spear a Lionfish — and Summon the Nurse Shark Patrol

Belize offers a very special diving activity: Lionfish spearing. It might sound cruel at first, but it's actually carried out to restore balance to the marine ecosystem and food chain. Let BlueTrend tell you the story behind it.

As the tale goes in the Americas: the flamboyant Lionfish is a species native to Asia, with no natural presence in the Americas. At some point, locals began keeping them in aquariums in Miami for display. Then, in 1992, Hurricane Andrew devastated the area with catastrophic damage — and among the casualties were those aquariums. The Lionfish escaped into the open ocean. Like aliens landing on Earth, no local creature had ever encountered them before. With their venomous spines, they found themselves with no natural predators, and their population exploded, throwing coral reef ecosystems completely out of balance. To address the problem, humans began actively promoting Lionfish hunting — pairing the catch with local restaurants that turned them into a culinary delight. The initiative has proven effective in curbing the Lionfish population, allowing coral reefs to return to their former vitality.

Xiaoying (小瑛姐) from 海島瘋 also shared: "When the dive guide spears a Lionfish underwater, the scent of blood attracts adorable Nurse Sharks — sometimes three or four of them — hovering around us like a personal escort squad." At the end of the dive, the guide would hand the Lionfish over to the Nurse Sharks as their "wage" for accompanying the group that day!

The Toadfish — A Mysterious Species That Makes Sounds

You've heard of toads on land, but have you ever encountered one in the sea? Xiaoying shared that in Belize she came across a species she had never seen before, hiding deep inside a cave. It has a flattened body, looks like a cross between a toad and a Whiskery Shark, and sports markings reminiscent of a Whale Shark. So how do you find one deep inside a cave? The dive guide explained: "We locate them by the sounds they make — and sometimes we use the aroma of food to lure the toadfish out to feed."

Sharks While Snorkeling?

The most famous snorkeling spot is located at the southern end of Ambergris Caye — the "Hol Chan Marine Reserve," which contains a dive site simply known as Shark Ray Alley. This site is less than 5 m deep, making it perfect for snorkeling. From the surface, you can already see countless sharks and Stingrays waiting for the food in your hands — each shark easily bigger than a 175 cm adult male. The sight is truly breathtaking.

Wide-Angle and Macro — All in One Place

With extraordinary biodiversity, Belize offers an inexhaustible supply of marine life and stunning photography opportunities — whether you're shooting wide-angle landscapes or macro details. The unique topography and coral formations make for especially dramatic images. They say "clear water means no fish, and current means big animals" — but in Belize, every dive comes with schools of fish as a given. "Clear water with fish, big animals without the current" is Belize's true motto! Common megafauna encounters include Nurse Sharks (Ginglymostoma cirratum), Eagle Rays, Caribbean Reef Sharks (Carcharhinus perezi), and large Giant Trevally (Caranx ignobilis).

Belize's seafloor is also home to many barrel sponges, inside which a variety of cleaner shrimp and coral shrimp take up residence. On the coral, you'll spot spider crabs of various colors — identifiable by their long, spindly legs — making it a fun challenge to see who can spot the most critters! Don't forget to peek into caves and crevices, where you may find large lobsters lurking inside — enough to make anyone's stomach growl!

Uncovering Belize's Travel Highlights — From Rainforest Adventures to Underwater Stalactite Ruins, Let's Go!

Don't think for a second that Belize is only about diving — there are also rich cultural relics, rainforest adventures, and stalactite cave river tubing tours to be enjoyed on land!

>>Full article: Uncovering Belize's Travel Highlights — From Rainforest Adventures to Underwater Stalactite Ruins, Let's Go!

Editor: Jenny Tsai

Further Reading:

• 海島瘋 Enjoyisland Official Website

• Central America — Dive the Great Blue Hole in Belize: 8-Day, 7-Night Liveaboard Diving Itinerary

• 海島瘋 Enjoyisland Facebook

• Aggressor Adventures

• [Belize] Charter a Plane and Fly Over the Great Blue Hole — Anyone Can Live Like a Millionaire: Belize Great Blue Hole