Belize Aggressor IV Liveaboard Reviewed in 2026

From playful dolphins to eagle rays, turtles, and several shark species, divers in Belize will have abundant opportunities to see exciting marine life. And, with consistently beautiful conditions and the longest unbroken barrier reef in the Western Hemisphere, there are seemingly endless dive sites to explore—making Belize a world-class scuba diving destination and a perfect option for your next liveaboard experience.

The Belize Aggressor IV offers easy access to these underwater wonders, leaving every Saturday throughout the year. Guests can dive four or five times per day, including night dives. Itineraries take divers to some of the most unique dive sites in the Caribbean, including Turneffe Atoll, Painted Wall, Half Moon Cay, Quebrada, and the famous Great Blue Hole.

Let’s dive into our review of the Belize Aggressor IV.

Where to book

Belize Aggressor IV liveaboard yacht anchored beside a barrier reef

PADI TravelSecure online booking Liveaboard.comNo booking fees Divebooker.comFree DAN insurance

Diving on the Belize Aggressor IV

Sailfin blenny peeking out from a red sponge on a Belize reef

Bright red rope sponges branching across a Belize coral reef

Pink vase sponges glowing against blue water on a Belize reef

Belize’s waters, maintaining an average temperature range of 78 to 84 F (25 to 29 C) year-round, offer an inviting environment for divers. With underwater visibility frequently exceeding 100 feet, (30 m), this Caribbean destination has perfect conditions to see abundant tropical marine life and unique reef topography.

Diving on the Belize Aggressor IV is exclusively conducted from the yacht, ensuring easy access to dive sites. Guests can indulge in unlimited daily dives, including a night dive each evening. Belize Aggressor IV 7- and 10-day itineraries include visits to diverse sites, such as Turneffe Reef, Lighthouse Reef, Glover’s Reef, and the famed Blue Hole. Divers can anticipate encounters with dolphins, tarpon, sharks, eagle rays, and stunning coral formations.

The Great Blue Hole is the best known site in Belize, a sinkhole originally formed as a collapsed underwater limestone cave system. At over 984 feet (300 m) across and 410 feet (125 m) deep, it is the largest sinkhole in the world.

The Belize Aggressor IV dive facilities include a spacious dive deck with individual gear storage, air and nitrox filling stations, rinse tanks, and a complete photo-editing center tailored to the needs of underwater photographers.

Highlights:

Unlimited diving daily, including night dives
Visits to several of the world’s top 10 dive sites
Ideal conditions year-round

Onboard the Belize Aggressor IV

Twin bed cabin aboard the Belize Aggressor IV with floral bedding and wood cabinetry

Galley and dining area aboard the Belize Aggressor IV with a bowl of tropical fruit

Guest reviewing dive site notes at the computer desk aboard the Belize Aggressor IV

Ensuite bathroom and adjoining cabin aboard the Belize Aggressor IV

The Belize Aggressor IV stretches 138 feet (42 m) and provides comfortable accommodation for up to 20 guests across 10 staterooms. All cabins have air conditioning and en-suite bathrooms. Two master staterooms feature queen beds and large windows with incredible views.

Shared spaces include the air-conditioned dining area and salon with comfy furniture, a TV to watch a movie or fish identification presentation, and a photographic center.

Exterior spaces offer divers multiple areas to appreciate the Caribbean environment. The sun deck features a sound system and cozy lounge chairs. Additionally, a wet bar is available for guests to savor a refreshing beverage after a full day of diving.

The dive deck is well-organized and spacious for the convenience of guests. There are individual gear lockers, rinse tanks, and easily accessible nitrox/air filling stations on deck. A large camera table is available for photographers to maintain their photo gear throughout the day.

Highlights:

Master stateroom with stunning views
Large camera set-up stations
Spacious dive deck for comfortable gear preparation

Dining onboard the the Belize Aggressor IV

Evening dining salon set with fruit bowl aboard the Belize Aggressor IV

Buffet spread with a carved watermelon fruit boat aboard the Belize Aggressor IV

Meals aboard the Belize Aggressor IV feature a combination of buffet-style and plated dining. Mornings start with coffee delivered to your door and a continental spread of cereal, toast, bagels, fresh fruit, and refreshing juices before the first dive. Hot breakfast is served after your first dive, and includes eggs in various preparations, French toast, and more.

Lunch is presented buffet-style or as a large entree dish, such as roasted chicken, cheeseburgers, or vegetarian option. The dinner menu offers a blend of American and local flavors, including barbecue, salads, vegetables, and beef dishes. Special dietary needs can always be catered to when you inquire at booking.