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San Benedicto Liveaboard Diving

Our guests rated liveaboard diving in San Benedicto as 9.1

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Liveaboard Diving in San Benedicto

What To Expect On A San Benedicto Liveaboard

Liveaboards to San Benedicto, part of the Socorro Islands, officially known as the Revillagigedo Archipelago, will escort divers to one of the best dive areas for seeing large pelagics. The Socorro Islands are a group of four volcanic islands located in the Pacific Ocean about 400km (250 mi) off the coast of the southern tip of Baja California, a southwestern state of Mexico. This archipelago is a popular dive area and most popular for the different pelagic species, which you will have a chance to see and dive with. The other three islands are Socorro Island, Roca Partida, and Clarion; all incredible dive sites in their own ways. Roca San Benedicto is the second smallest of the islands; it is an uninhabited island with a volcanic crater and lush green forestry and is 10km squared. This island is teeming with life above and below the water.

San Benedicto, and the rest of the Revillagigedo Archipelago, is a year-round dive area, but each season brings its own gems. Due to its remote location, this area is best reached by a liveaboard cruise. The calmest seas are from November to May, with the waters being around 28 degrees Celsius (82 degrees Fahrenheit) in November, 21 degrees Celsius (69 degrees Fahrenheit) in February, and back up to 25 degrees Celsius (68 degrees Fahrenheit) in May. These winter months also bring the main spectacles: the many pelagic species that migrate through here but also the permanent residents of this area, the Giant Pacific Manta Rays, and many species of sharks. The visibility here depends solely on the plankton in the water, which depends on the moon, but in general, the visibility varies from 15 - 50m (49 - 164ft).

San Benedicto is an open water dive area with more advanced diving areas. Sometimes, there are strong currents and big waves, and most dive spots are quite deep; however, each liveaboard that visits this area has its own minimum dive experience level, most expect divers to have Advanced Open water with at least 50 logged dives, but there are a few which only need you to have your Open Water and no minimum logged dives. Please keep this in mind.

What You Can See

The most popular spectacle here at San Benedicto is the world-famous Boiler. This is a cleaning station for the Giant Pacific Manta Rays to which divers can come up close and personal. They do justice to their name as 'Giant' is what they are; their wingspans measure up to 7m (20ft), but they are the gentle giants of the sea. They are very curious and will come and investigate the divers and hang around the whole time, but they are also incredibly shy, so if they are chased, they will take off. This dive site is a pinnacle, and you can swim around this pinnacle multiple times in a dive, flying side by side with the Mantas.

This archipelago of islands is part of a protected biosphere reserve, and many conservation organizations are working around here to preserve the unique wildlife that inhabits and passes here. Socorro diving area is not a coral reef, so do not expect bright colors everywhere, but once you spot the spectacular marine wildlife you won't be able to focus on much else!

Getting To San Benedicto

This island is only accessible via Mexico liveaboard. Because this island is mostly uninhabited, this is the perfect way to get away from the busy cities and get a good quality experience with some of the best the oceans offer. Liveaboard.com currently offers six different liveaboards that visit these sites, all different to suit anyone's desires.

There are two ports from which the liveaboards we have to offer depart from, these are Cabo San Lucas and San Jose del Cabo. These are both cities in Baja California, located in the southern-most municipality Los Cabos, in Mexico. The closest international airport to these two cities is Los Cabos International Airport, which has flights arriving from the United States, Canada, and other Mexican Cities.


San Benedicto Diving Reviews

  • Rating 9.1 out of 10
  • 9.1 Superb
  • Rating 7.6 out of 10
  • 7.6 Good
  • Robert B
  • Flag of United StatesUnited States

Okay conditions for our first set of dives. The trip got better once we moved to the other islands

Diving San Benedicto in March on the Adventure
  • Rating 10.0 out of 10
  • 10.0 Exceptional
  • Judith W
  • Flag of United StatesUnited States

El Boiler should be on every divers bucket list!

Diving San Benedicto in March on the Adventure
  • Rating 9.2 out of 10
  • 9.2 Superb
  • Matt L
  • Flag of United StatesUnited States

Wild -very, very wild. Hammerheads "as big as bulls".

Diving San Benedicto in March on the Adventure
  • Rating 10.0 out of 10
  • 10.0 Exceptional
  • Pamela (Suzy) R
  • Flag of United StatesUnited States

Great diving against the stunning backdrop of the island.

Diving San Benedicto in February on the Nautilus Belle Amie


What to know about diving in San Benedicto

What is San Benedicto Island?

San Benedicto Island is one of the four islands in Mexico's Revillagigedo Archipelago, sitting roughly 240 miles (386 km) south of Baja California and the closest of the group to the Mexican mainland. It's uninhabited and volcanic, having experienced a major eruption in 1952 that stripped much of its vegetation, and today it's known almost entirely for the diving at its surrounding pinnacles. Access is by liveaboard only.

What is diving like at San Benedicto Island?

Diving at San Benedicto is advanced, open-water diving focused on two standout sites: El Boiler and El Canyon. Depths run from around 20 ft (6 m) at the shallowest point of El Boiler down to over 100 ft (30 m) in the surrounding blue water, with strong currents typical. Most liveaboards require Advanced Open Water certification and prior experience with drift or current diving.

What is El Boiler known for?

El Boiler is San Benedicto's signature dive site, an underwater seamount rising to within about 20 ft (6 m) of the surface, where the swell breaking over the top gives the site its name. It's considered one of the best places in the world for close, interactive encounters with giant Pacific manta rays, which linger here to be cleaned by resident angelfish. Dolphins, hammerheads, and Galápagos sharks are also regularly seen.

What is El Canyon known for?

El Canyon is San Benedicto's premier shark dive, with regular sightings of silvertip, Galápagos, and silky sharks, plus large schooling hammerheads that can number in the hundreds during peak season. Manta rays occasionally pass through as well, though the site's reputation is built primarily on its shark activity. It sits alongside El Boiler as one of the two must-dive sites on the island.

How do you get to San Benedicto Island?

San Benedicto Island is accessible only by liveaboard, typically as part of a broader Revillagigedo itinerary departing from Cabo San Lucas. The crossing from Cabo takes roughly a day, after which boats generally spend one to two days diving San Benedicto before moving on to Socorro or Roca Partida. There's no independent or day-trip access given the distance offshore.

What experience level is needed to dive San Benedicto Island?

San Benedicto is not a beginner site — most liveaboards require Advanced Open Water certification, a meaningful number of logged dives, and comfort with strong currents and blue-water diving with no reef to hang onto. Nitrox certification is commonly recommended given typical dive depths and lengths. Divers should be comfortable with negative or backward-roll entries in potentially choppy conditions.

When is the best time to dive San Benedicto Island?

The dive season at San Benedicto runs roughly November through June, matching the wider Revillagigedo season, with manta ray activity at El Boiler considered strong throughout. Hammerhead schooling at El Canyon is most reliable in the cooler months, January through March. Trips generally pause during the Eastern Pacific hurricane season from July through October.

Is San Benedicto Island included on Revillagigedo liveaboard itineraries?

Yes — San Benedicto is one of the three islands (along with Socorro and Roca Partida) included on nearly every Revillagigedo liveaboard itinerary, typically visited early or midway through an 8–10 day trip. Clarión Island, being much farther west, is only included on a small number of longer itineraries. Itineraries almost always depart from and return to Cabo San Lucas.

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