Bordered by Mexico, Guatemala, and the Caribbean Sea, Belize is a beautiful Central American country known for its biodiversity and ecosystems.

You will find more than 400 islands, white sandy beaches, and more importantly, the longest unbroken barrier reef in the Western Hemisphere in Belize. The reef reserve system was designated a UNESCO World Heritage site in 1996. 

The Great Blue Hole, located in one of Belize's three atolls, is a 1,000-foot-wide, 400-foot-deep chasm. It was The Great Blue Hole discovered by underwater explorer Jacques Cousteau that put Belize on the map for scuba diving.

In this article, we'll look at the many scuba diving sites in Belize that will fill up your adventure bucket.

Belize diving is varied enough to please everyone, from novices to seasoned divers. While the Blue Hole is Belize's best-known dive site, the rich waters hold more treasures to discover. You will find great conditions for beginners and advanced divers. 

Read on to know more about scuba diving in Belize.

1. The Great Blue Hole

The Great Blue Hole is the most famous dive site in Belize that put the country on the scuba diving map, thanks to Jacques Cousteau.

Most suitable for advanced divers, this dive site stretches 300 meters across and 125 meters deep and is the result of a limestone cave collapse in the last Ice Age. It is a giant marine sinkhole near the centre of Lighthouse Reef Atoll, off the coast of Belize.

• Unique Underwater Attractions: Reef sharks, nurse sharks, hammerheads, bull sharks, black tip sharks, fishes, corals, stalactites, undercuts.
• Depth: 5m - 40m
  
• Costs: Individual dives - $50 - $330 & Courses - $250 - $860

2. Shark Ray Alley, Ambergris Caye

Ambergris Caye is Belize's largest island and is known for its water sports activities, including scuba diving. Shark Ray Alley is Belize's diving hotspot close to San Pedro and is a top dive site where you can enjoy diving with different sharks and rays. It is a shallow sand plateau on the inside wall of the Belize Barrier Reef that attracts scores of nurse sharks and fevers of stingrays.

Around Ambergris Caye, you can also find other famous scuba diving spots such as Tuffy Inn and Esmeralda Canyons.

• Unique Underwater Attractions: Nurse sharks, stingrays, turtles, corals.
• Depth: 3m - 10m
  
• Costs: Individual dives - $50 - $180 & Courses - $150 - $700

3. Hol Chan Marine Reserve

The Hol Chan Marine Reserve is Belize’s first and oldest marine reserve, with 4 zones - The Reef, The Mangroves, Shark Ray Alley, and The Seagrass Beds. This reserve is another famously popular dive destination in Belize.

The channel is about 30 feet deep, and since it is preserved, it is rich with sea life of every description. Much of the bottom is sandy, but you also will see bright corals.

• Unique Underwater Attractions: Angelfish, blue-striped grunts, schoolmaster snapper, green moray eels, caves, large groupers, nurse sharks, sting rays, spadefish, spotted lobster, parrotfish, hermit crabs, elkhorn corals, brain corals, bar jacks schooling, barracudas, manatees.
• Depth: 3m - 20m
  
• Costs: Individual dives - $75 - $180 & Courses - $260 - $850

4. Half Moon Wall

Another site to spot plenty of sharks is The Half Moon Caye Wall. Half Moon Caye is a bird sanctuary and is one of the most beautiful islands in the country. The marine environment surrounding this island features some of the most beautiful fauna and flora in the world.

Half Moon Caye makes for an interesting dive with a reef wall drop, ledges, overhangs and hidden tunnels. The waters are full and colourful, brimming with unique ocean life. This Caye and its surroundings can be explored time and time again without ever seeing the same things twice.

• Unique Underwater Attractions: Angelfish, butterfly fish, wrasse, sponges, sea fans, corals, goliath groupers, garden eels, reef sharks, hawksbill turtles, spotted eagle rays.
• Depth: 13m - 30m
  
• Costs: Individual dives - $50 - $200 & Courses - $150 - $850

5. Turneffe Atoll

Turneffe Atoll, the largest and most visually stunning of Belize's three atolls, was designated a marine reserve in 2012. With over 70 dive sites, this region's marine biodiversity is unmatched, and it has dive sites suitable for every level of diver. 

The atoll is perfect for those seeking big marine life, good visibility, wall diving, and scuba diving experiences for beginner and advanced divers. Some of the popular dive sites in Turneffe Atoll are Blackbird Caye, Caye Bokel, Lindsey's, Northern Bogue, West Coast, etc. 

• Unique Underwater Attractions: Turtles, manatees, schooling fish, spotted eagle rays, white spotted toadfish, sharks, snappers and jacks, goliath groupers, sponges, parrotfish, corals, shrimps, barracudas.
• Depth: 5m - 40m
  
• Costs: Individual dives - $50 - $200 & Courses - $235 - $850

6. Glover’s Atoll

Glover's Atoll, a hidden treasure off the coast of Belize and the centre of Glover’s Reef Marine Reserve, is a scuba diver's paradise. This southernmost of Belize's three atolls is renowned for its unspoiled coral reefs, crystal-clear waters, and a rich variety of marine life, making it a must-visit for those seeking a one-of-a-kind and unforgettable diving experience. 

Glover's Atoll boasts over 700 patch reefs, creating a haven for diverse marine species and large aquatic creatures. Its shallow waters are ideal for novice divers, while the deeper sites offer seasoned divers the opportunity to explore vertical walls, swim-throughs, and caverns.

• Unique Underwater Attractions: Sea turtles, sharks, nassau grouper, corals, manta rays, eagle rays, bottlenose dolphins, tube sponges, gorgonian fans, sea fans, staghorn coral, soft corals, reef fish, parrot fish, octopus, wrasse.
• Depth: 3m - 22m
  
• Costs: Individual dives - $50 - $200 & Courses - $235 - $850

The months from October to June is the best time to go scuba diving in Belize. October and November are the grouper mating months, while April to June is considered whale shark season.

Before you go scuba diving in Belize, be sure to carry these essential items:

• Valid ID proof is a must
• Swimwear, dry bag and towels
• Hats, sunglasses and sunblock
• First aid kit
• Underwater torch and camera

Scuba diving operators in Belize will also provide you with scuba diving equipment. Be sure to check your equipment before you're in the water to avoid malfunctions.

• Dive only in designated areas, respect your environment and always pay attention to your instructors' guidelines.
• You are allowed to click pictures underwater, however damaging marine life and attractions can attract major penalties.
• Wait for at least 2 hours after eating before you go scuba diving.
• Avoid diving under the influence of substances or if advised against by a medical practitioner.
• There should be a time gap of at least 24 hours between flying and going scuba diving.

Most importantly, you must not forget to avail of international travel insurance to safeguard your expenses in case of any unforeseen incidents while scuba diving in Belize. The country brings a mix of Carribean and Central American aquatic life that will enrich your scuba diving experience.