Cayman Aggressor IV Liveaboard, Cayman Islands

The Cayman Aggressor IV liveaboard explores the underwater landscapes of the Cayman Islands, from the dramatic walls of Grand Cayman and Little Cayman to historic wrecks around Cayman Brac. Accommodating up to 18 guests in nine private staterooms, this 110-foot diesel-powered yacht combines a dedicated dive deck with comfortable indoor and outdoor spaces. With all dives conducted directly from the yacht, guests can enjoy an extensive diving programme featuring coral reefs, steep drop-offs and renowned wreck sites. The Cayman Aggressor IV Cayman Islands experience brings together varied underwater environments and relaxed liveaboard accommodation in the western Caribbean.

Cabins & Accommodation

The Cayman Aggressor IV accommodates up to 18 guests in nine air-conditioned staterooms, each with a private bathroom and shower, individual climate control, a television with media player, a wardrobe, bathrobes, a hairdryer and fresh towels.

The Master Stateroom is located on the main deck and features a king-size bed, a picture window and a private bathroom. It offers a comfortable option for couples or guests who prefer a more spacious cabin.

Six Deluxe Staterooms are located on the lower deck and can be arranged with two single beds or one king-size bed. Each has a private bathroom, a porthole window and individual climate control.

Two Bunk-Style Deluxe Staterooms are also situated on the lower deck. Each features a single upper bunk and a full-size lower bed, along with a private bathroom and a porthole window. These cabins provide a practical accommodation option for guests travelling together.

Boat Interior

The Cayman Aggressor IV is a 110-foot diesel-powered yacht with a wide beam, designed for comfort and stability during extended diving trips. Cruising at approximately 10 knots, the vessel provides accommodation for 18 guests and has a crew of seven.

The air-conditioned salon and dining area create a comfortable indoor setting for meals and relaxation between dives. The yacht also features a sun deck with lounge chairs and deck chairs, a shaded cocktail deck and an outdoor grill. Each stateroom has a safe for storing personal valuables.

Diving Facilities

The Cayman Aggressor IV has a dedicated aft dive deck with wide stern platforms and easy-entry boarding ladders. The yacht anchors or moors directly at dive sites, allowing guests to enter the water from the main vessel without relying on tenders for diving. Each diver is assigned a designated station and a personal locker or storage cubby for equipment. Rails and hangers are provided for wetsuits, while freshwater showers and warm towels are available after dives.

Two high-pressure compressors support the diving operation. Standard aluminium tanks and weights are provided, while Nitrox with a 32% blend is available for certified divers at an additional fee. A typical seven-night itinerary offers approximately 25–28 dives, with up to five dives per day, including night dives on selected evenings.

Diving is recreational and non-decompression. Technical diving, rebreathers and double-tank configurations are not supported.

Underwater Photography Facilities

Underwater photographers can use a dedicated camera table equipped with low-pressure air hoses and a charging station for camera and video equipment. The yacht also has a photo-editing computer, allowing guests to review and work with their images during the trip.

Photography coaching is available onboard, and a video professional can capture footage of the diving experience. For safety reasons, lithium-ion batteries must be charged at the designated outdoor camera station rather than inside the yacht or guest staterooms.

Safety & Navigation

The Cayman Aggressor IV is equipped with an electronic central emergency alarm, a horn, smoke detectors and fire extinguishers in public areas and guest staterooms. Two self-deploying life rafts with hydrostatic releases are carried onboard, while life jackets are located at the designated muster station.

Medical equipment includes an AED, a first aid kit and emergency oxygen, with a portable oxygen kit and additional stored oxygen available onboard. Navigation and communication equipment includes VHF and single-sideband radios, satellite communication and two generators. A CCTV system monitors selected areas of the yacht.

Guests receive an individual stateroom orientation covering smoke detectors, escape routes, muster stations and the location of nearby fire extinguishers. A welcome and safety briefing takes place on the first evening, and regular fire drills form part of the onboard safety procedures. A night safety watch operates from 10 pm to 6 am, with crew members monitoring the yacht's systems and conducting regular checks.

Onboard Facilities

The Cayman Aggressor IV offers several shared spaces for relaxing between dives. The air-conditioned salon provides an indoor retreat, while the sun deck features lounge and deck chairs for enjoying the Caribbean surroundings. Guests can also unwind in the hot tub or spend time on the shaded cocktail deck.

An outdoor grill and sound system add to the yacht's social spaces. Evening entertainment includes diving videos, films, games and marine life identification presentations. A small onboard library contains reference books for identifying underwater species, as well as books available for exchange.

Food & Drinks

Dining aboard the Cayman Aggressor IV combines American and Caribbean cuisine prepared with fresh ingredients. Breakfast includes hot dishes cooked to order, fresh fruit, cereals and juices. Lunches feature homemade soups, fresh breads, salads and sandwiches, while dinners include seafood, beef or chicken accompanied by vegetables and homemade desserts. Snacks are served between dives throughout the day.

Complimentary beverages include fruit juices, soft drinks, iced water, iced tea and coffee, together with a limited selection of local beer and wine. Guests who prefer other spirits can bring their preferred brands onboard.

Special dietary requirements should be communicated before departure and discussed with the chef upon boarding. Some specialised ingredients may be difficult to obtain during the trip because of the yacht's remote operating location. Dinner on the final evening is taken ashore rather than served onboard.

Itineraries & Destinations

The Cayman Aggressor IV liveaboard Cayman Islands itinerary explores dive sites around all three main islands: Grand Cayman, Little Cayman and Cayman Brac. Departing from George Town, the yacht visits a varied collection of underwater environments, including dramatic walls, coral reefs and historic wrecks.

Grand Cayman offers opportunities to explore the Northwall and Southwall, as well as the wrecks of the Kittiwake, Oro Verde and Doc Poulson. Stingray City is another notable stop, where guests can observe southern stingrays in their natural environment.

Little Cayman is known for Bloody Bay Wall, a renowned wall-diving site featuring a steep underwater drop-off and rich marine life. Around Cayman Brac, the itinerary may include the Russian Destroyer wreck, which has become an artificial reef.

Divers can encounter turtles, spotted eagle rays, lobsters, large groupers, reef sharks and nurse sharks. The underwater landscape includes coral-covered walls, channels and passages, with warm water and generally excellent visibility. The published diving depth range is approximately 8–33 metres.

A typical seven-night charter offers around 25–28 dives, with up to five dives per day, including night dives on selected evenings. All dives are conducted directly from the yacht. The itinerary depends on wind and weather conditions, allowing the captain to select suitable sites throughout the week.

Seasonal Operations

The Cayman Aggressor IV operates seven-night itineraries from George Town, Grand Cayman, on a Saturday-to-Saturday schedule. Guests board on Saturday afternoon, with the yacht departing for its first anchorage after boarding is complete.

Diving begins on Sunday morning and continues through Friday. The yacht typically returns to George Town around midday on Friday, leaving time for guests to explore the town before the evening farewell gathering and dinner ashore. Check-out takes place on Saturday morning.

Water temperatures in the Cayman Islands generally range from 25–28°C throughout the year. A 3 mm wetsuit is recommended, although some guests may prefer additional thermal protection depending on the season and their personal comfort.

Non-diving Activities

Guests can relax in the hot tub, enjoy the sun deck or spend time in the shaded cocktail area between dives. A tender is available for optional shore excursions, providing an opportunity to visit nearby locations when conditions and the itinerary allow.

Evening activities include films, diving videos, games and marine life identification presentations. The onboard library offers additional reading, while the outdoor spaces provide a pleasant setting to enjoy the Caribbean surroundings.