Ultra Freeze, also known as El Frio, is a 61-meter (200-foot) shipwreck located 7 kilometres (11 miles) off the Caribbean coast of Isla Mujeres in Quintana Roo, Mexico. This massive vessel was deliberately sunk to create an artificial reef for divers. Its nearly intact hull offers an excellent wreck diving experience featuring a diverse ecosystem. Additionally, since it is situated just shy of a deep ocean drop-off, there is a greater chance of encountering exciting larger pelagic marine life.
The ship gets its name from the noticeably colder waters encountered as divers approach the wreck. It was originally a cargo ship/tugboat that caught fire while docked in Isla Mujeres in 1978, sustaining severe damage that rendered it unfit for sea navigation. To repurpose the vessel, authorities sank it as part of an artificial reef project. In 1979, it was towed southeast of the island and sunk in 29 meters (95 feet) of water, making it Islas' oldest deliberately sunken ship. Now, it rests just short of the deep-water drop-off, making it accessible by boat for divers seeking an adventurous experience.
The story of the ship did not end there. In 1992, Hurricane Andrew caused significant damage to the area. The storm broke the starboard hull and split the vessel in two, positioning the two halves at ninety degrees to each other in an L-shape. Both parts of the shipwreck remain upright and are still loosely connected, offering divers numerous entry points into the ship. Fortunately, the hurricane caused only minor damage to the coral growth that had begun to thrive on the wreck.
As you explore this wreck, the first thing that catches your attention, aside from the colder water, is the wheelhouse, which is located at about 21 meters (70 feet). It is beautifully adorned with vibrant hard corals. When you look inside the wreck, you'll notice a staircase, loose cables, open cargo holds, and various entry and exit points created by cracks in the ship.
During the right time of year, it is possible to see schools of Eagle Rays that return for their annual migration to the area. Shipwrecks are a popular hangout for these magnificent animals as they glide through the strong currents. Loggerhead turtles also return to the island during their mating season and can often be spotted near the wrecks. Among other favourites, sharks can also be seen, and if you're lucky, you might even encounter giant mantas.
The wreck is about a 35 to 40-minute boat ride from the island, and the current in this area can be quite strong. It is positioned on the island's windward side, so divers should be experienced and have completed recent dives. Additionally, because this is a deep dive, there is a strict screening process to ensure the safety of both divers and guides.
Overall, this artificial reef is a successful example of a man-made structure deliberately sunk to become part of the environment. It enhances the ecosystem, provides a habitat for a variety of marine life, and creates an enjoyable experience for divers and photographers alike.
Depth
29 meters / 96 feet
Boat Ride
35 min
Dive Type
Drift - Strong Currents
Deep Dive
Artificial Reef - Wreck
Experience Level
Advanced Open Water, Experienced Diver
Recent Dive Experience
Average Visibility Underwater
20 mt / 65 feet
Average Water Temp
26 C°/ 79F°
Dive Time
25 - 30 min (Safety Stop Required)
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