Socorro – Giant Mantas, Dolphins & Sharks
Socorro – Giant Mantas, Dolphins & Sharks
Socorro Island Liveaboard: Giant Mantas, Dolphins & Sharks
If you’ve ever dreamed of diving with sharks, giant manta rays, and playful dolphins all in one trip — you need to experience a Socorro Island liveaboard.
What makes Socorro so special is the wildlife encounters. Giant manta rays circle divers and glide effortlessly through your bubbles. Bottlenose dolphins approach with curiosity, often lingering for entire dives. And then there are the sharks. In a single dive, you could find yourself surrounded by schooling hammerheads, circled by Galápagos sharks, or face-to-face with a tiger shark. Maybe even whale sharks — the largest fish in the ocean. From January through April, you might hear humpback whale songs during your dives, while breaching and tail-slapping can be observed during surface intervals.
When divers talk about “Socorro,” they’re referring to the Revillagigedo Archipelago — four remote volcanic islands located roughly 240 miles off Cabo San Lucas: Socorro, San Benedicto, Roca Partida, and Clarión. Accessible only by liveaboard and protected by strict regulations, the dive sites remain uncrowded, wild, and remarkably pristine — offering some of the best shark dives on the planet.
This UNESCO World Heritage Site sits where powerful ocean currents collide, creating a nutrient-rich marine life hotspot. Dramatic underwater cliffs and volcanic pinnacles rise from the deep, creating the perfect setting for unforgettable big-animal encounters.
But what truly defines a Socorro Islands liveaboard is the feeling of connection. Out here, surrounded by open ocean, many of the animals don’t just pass by — they interact, investigate, and seem as curious about you as you are about them.
Marine Life of the Socorro Islands
This is big animal diving at its best! Socorro Island liveaboards offer some of the world's most impressive marine life encounters. It's not just the variety and abundance of life that makes diving here extraordinary — it's interacting with animals who seem genuinely curious about you.
The Friendliest Giant Mantas on The Planet
Nowhere else in the world boasts a resident population of giant oceanic mantas that appear to seek interaction with scuba divers. It is extraordinary. We have been running dive trips to Socorro since 1978, and these friendly giants never cease to amaze us. Imagine being plunged into shadow as a giant manta glides above you, its wingspan up to 7 meters wide, full of grace and intelligence, enjoying your bubbles tickling their belly.
It might sound odd, but we believe if you approach them with an open heart, they will respond. They will look directly at you, as if staring into your soul and, if they like what they see, they seek out interaction. That's reason enough to fall in love with Socorro and to visit as soon as you can.
Diving with Socorro's Sharks: Encounters You Won't Forget
Socorro's nutrient-rich waters attract iconic ocean predators in numbers rarely seen elsewhere. At cleaning stations and rocky drop-offs, scalloped hammerheads school in the dozens, sometimes hundreds. Tiger sharks patrol with the quiet confidence of a top predator. Galápagos and silvertip sharks cruise the currents and seamounts. These aren't fleeting sightings — these are regular, up-close encounters with animals at the top of the food chain..
With up to 12 shark species recorded in these waters, Socorro is widely regarded as one of the best shark diving destinations in the world. Whether you're a seasoned shark diver or encountering these animals for the first time, the experience here is in a class of its own.
Frequently spotted shark species include: scalloped hammerheads, tiger sharks, Galápagos sharks, silvertip sharks, whitetip reef sharks, silky sharks, and dusky sharks.
Playful Dolphins & Other Pelagic Species
Bottlenose dolphins, playful and highly intelligent, are known to interact with divers for several minutes at a time and can be encountered year-round.
Whale sharks — the largest known fish species, identified by their stunning and unique pattern of spots — are best seen from November through December and late April through June.
From April to June, baitball season brings one of nature's greatest spectacles: huge schools of fish attract sharks from all directions alongside pelagic hunters like yellowfin tuna and wahoo in spectacular feeding frenzies. It's an unmissable chance to witness the full power of Socorro's marine ecosystem in action.
Humpback whales are seasonal visitors to the Socorro Islands from January through April, passing through for mating and birthing.
Possible Marine Life Sightings:
- Oceanic manta rays
- Dolphins
- Up to 12 shark species (hammerheads, tiger sharks & Galápagos sharks)
- Moray eels and octopus
- Whale sharks and whales (seasonal)
- Spiny lobster
- Turtles and more!
- Clarion angelfish
Scuba Diving the Socorro Islands
Days at sea
The Revillagigedo Archipelago is accessible only by liveaboard, with a 24-hour crossing each way from Cabo San Lucas — ample time to meet your fellow travellers and dive guides. Once we arrive, the focus is diving, with up to four dives a day across some of the most spectacular dive sites on the planet. Each dive day begins with in-depth briefings where our expert crew shares insights about the marine life, dive site topography, currents, and safety protocols. All diving concludes before sunset in line with park regulations.
You choose how much you participate — take every dive or sit one out. Between dives, find a quiet spot with a book, rest on the sun deck, or enjoy a soak in our freshwater hot tub. On some days, we take the skiff out for shoreline tours, exploring the dramatic volcanic coastlines — while landing on shore isn't permitted, the views from the water are spectacular.
Evenings at sea
As the sun sets, cocktail hour signals the end of the diving day — often followed by entertaining and educational presentations about Socorro's incredible ecosystem, shark behaviour, manta rays, and more. Then unwind under spectacularly starry skies before a restful night's sleep.
Highlights include:
- Scuba diving
- Marine life presentations
- Shoreline tour
Your home at sea



Life on board
These expeditions are based on large ocean-going liveaboard vessels. The daily action happens from smaller, fast support boats designed to get you nice and close to the dive sites, while the mothership handles everything else: comfort, food, and a good night's rest.
Nautilus Adventures is the only liveaboard operator in the world with a certified ISM safety management system — audited annually to the same standards as the world's largest cruise ships. In short, safety is taken seriously. A full briefing and practice drill means you'll always know exactly what to do — and can spend the rest of the trip focused on the water.
The Nautilus Explorer is a sturdy and well-appointed custom-built 132-foot vessel, designed for comfortable open ocean voyages. She accommodates up to 25 guests across 13 en-suite cabins, ranging from cosy lower deck staterooms to generous suites with large windows — and a premium suite with a lounge and full-size bathtub. All cabins are air-conditioned with private bathrooms.
The main salon and dining room are framed by beautiful large windows with million-dollar views — a great place to unwind, eat well, and watch the stunning Baja scenery go by. The sun deck has plenty of seating for everyone, a freshwater hot tub, and a huge water-level platform that puts you as close to the ocean as you can get without actually being in it.
Explore the Nautilus Explorer →- 9 Days / 8 Nights trip: 8 nights' accommodation on a liveaboard and up to 19 dives (weather dependent)
- 11 Days / 10 Nights trip: 10 nights' accommodation on a liveaboard and up to 27 dives (weather dependent)
- Tanks, weights, safety gear (Nautilus LifeLine, DiveAlert, SMB)
- Scheduled group transfers
- All meals and snacks
- Non-alcoholic drinks
- Dive guides and expert crew
- Scuba gear rental
- Nitrox
- Alcoholic beverages and bar
- Gift shop purchases
- Internet access (US$80 per device, per trip)
- Crew gratuities
- Mandatory personal medical and dive insurance including evacuation coverage
- Port fee (US$35 pp payable in cash onboard)
- Socorro Island Park Fees
Socorro Islands Diving Itinerary: What to Expect on Your Liveaboard
We encourage you to fly in early and allow us to arrange for some local diving whether it's Gordo Banks, Cabo Pulmo or the La Paz whale sharks.
Your trip includes a complimentary photography workshop in the afternoon. Our photo pro's will coach you on how to get that perfect manta image, help set up, service or repair your camera gear and assist with camera rentals.
You are welcome to drop your bags off and check-in whenever it's most convenient, but we ask that you please check in at SeeCreatures Cabo by 7pm latest. Please arrive back to SeeCreatures by 7:15pm for the mandatory safety video before boarding the boat at 8pm.
Today is a traveling and relaxing day at sea. It is a one day run out to the islands. An orientation briefing will be held in the morning, followed by a fire and boat safety drill. A drill? On holiday? Don't worry, it is for your safety but we will make it lots of fun. We are proud to have been the first, and some of the only, ISM safety certified passenger vessel dive boats in the world, the same safety certification as the largest cruise ships. We'll keep you as busy as you like on this sea day with Manta 101 in the afternoon, then you will have a chance to prep your gear, read a book, relax on the sun deck or check out the movie selection on our onboard wifi. We will be watching for the "green flash" at sunset, and while cocktail hour is officially at 7pm every evening, many of our guests enjoy some adult beverages well before that on sea days! We should arrive at San Benedicto Island that evening allowing you a calm night to relax and get a restful sleep before the next morning's excitement of diving with the friendliest giant mantas in the world.
Over five full dive days you will be able to experience some of our favourite sites such as El Canyon, the Boiler, Red Rocks, Roca Partida, Cabo Pearse, Punta Tosca and Roca Oneal. We know that many of our guests want the option of as many dives as possible and we strive to offer an average of four dives a day, other than the day that we do our mandatory check-in at the local navy base when you will likely have the option of three dives. When the weather is really good and the seas are calm, certain dive sites like Roca Partida might become crowded with three or four dive boats in which case park regulations restrict us to offering three dives maximum that day. We cater to divers of all experience levels with what we call "dive butler". We will quickly zip self-reliant and highly experienced divers straight to the dive site when it opens. Encouraging our newer divers who would like to be with a dive guide from start to finish to take their time gearing up and splash 20-30 minutes later. Most divers are somewhere in the middle of this and we will shuttle them along with dive guides to the sites with our skiffs running back and forth like taxi cabs! Note that several dives may be quite challenging and not suitable for divers of lower experience levels. The number of dives on offer is subject to weather, the whims of Mother Ocean, and crowding by other dive boats. We will have other stuff going on to keep you as busy as you like with kayaks and paddle boards, shoreline tours, humpback whale watching (January to April), manta ID in the late afternoon and after-dinner presentations. Of course, it's always your option to find a nice quiet place to relax with a book, have a nice snooze, or maybe have a splash in our sparkling clear hot tubs.
We will likely get underway very early this morning for the voyage back to Cabo San Lucas. This is the perfect day to check out photos and videos with the new friends you made onboard, pack your dive gear up and take time to relax before reality sets back in. The islands, the mantas, the sharks and the dolphins are almost "other worldly" and we hope the magic stays with you for a long time.
Always a sad time for us. It's time to say goodbye and disembark the boat in Cabo at 8:30am for either SJD airport or to SeeCreatures in Cabo San Lucas. It doesn't have to be goodbye for long, we hope to see you again very soon.
Departure dates
Socorro – Giant Mantas, Dolphins & Sharks
All prices are in US dollars
What am I going to see?
The friendliest giant mantas in the world. Bottlenose dolphins that are almost as friendly. Up to ten species of sharks. Loads of fish. And in season you might see humpback whales, pilot whales, tuna or even false killer whales.
What to Bring
What do I need to pack?
Personal toiletries. Dive gear (or travel light and use our rental gear!) Summer wear, noting that nights can sometimes be chilly which makes a sweater or fleece jacket a good addition. Sunscreen (reef-safe sunscreen will be available onboard with our compliments). Towels and bed linen are provided onboard.
What dive gear should I bring?
All the obvious stuff!! i.e. regulators, BCD, computer, mask, wetsuit, booties and fins. The park authorities prohibit divers from carrying a knife. Every diver should have their own Nautilus LifeLine but we will loan you one of ours if you haven't bought yours yet!
What kind of safety gear do you provide divers?
Nautilus LifeLines, DiveAlerts and SMB safety sausages.
Can I bring my own alcohol onboard?
Sorry, but NO. We carry a great selection of signature drinks, single malts, microbrew beer and a varied wine list, all at very reasonable prices.
Don't Forget!
What time do we arrive back in port?
Usually by 8:30am. We recommend booking an outward flight after 11:30am. We can help arrange your outbound transfers.
Do you have a storm policy?
We highly recommend trip interruption insurance, which will cover you in this unlikely eventuality.
Can you accommodate special dietary requests?
YES - with reasonable advance notice, we are pleased to accommodate vegetarian, vegan, lactose intolerance, gluten-free, low sugar, quasi-kosher and quasi-halal. We are likely unable to accommodate more esoteric special dietary requests.
What is NOT included in the trip price?
Bar, gift shop, high-speed Internet connection, rentals, nitrox, crew gratuities. A $35 port fee must be paid on board in cash at the end of the trip.
Travel Details
Do I need a passport and/or visa?
All guests must have a passport valid six months from entry. Visas are required from certain countries, please check your specific requirements online. All non-Mexican guests will require an FMM tourist visa.
Do I need insurance?
Guests are required to have medical and evacuation insurance from a recognized provider before participating in any of our activities. Click here to purchase coverage. The policies are very affordable. We also highly recommend the optional purchase of trip interruption insurance, which covers everything from cancelled flights, weather delays, and lost baggage, to reimbursement if another guest has a medical issue that affects your trip. If you decline coverage, please note that we do not issue credits or refunds for anything that is beyond our immediate control.
Do I need dive medical insurance?
YES. Dive and evacuation insurance is mandatory. We can assist you with purchasing this at check-in if you like.
What airport do I fly into?
SJD Los Cabos International for both commercial airlines and private aircraft.
When should I fly in?
At least one day before departure given our experience with airlines having mechanical problems, losing luggage or even cancelling flights. It's a one-day sail from Cabo out to Socorro which means the ships cannot wait for guests who have missing luggage or missed their flight, otherwise everyone else will also miss a day of diving.
How do I get from SJD into town?
Sealine Cabo Transfers is our recommended provider of airport transfers to and from Cabo San Lucas. For booking, please email Martin at mmoreno@sealinecabotransfers.com We also recommend Miguel from Fara Nuevo as an alternative option. Email: mfc949@gmail.com Phone: +52 (624) 141 6254
Can you recommend a local hotel?
Yes. We have our favourite hotels that we highly recommend and have arranged discounted rates for Nautilus and Baja Expeditions guests. For hotel recommendation or any other pretrip questions, concerns or comments, please contact our Nautilus concierges directly. Phone: +1 (604) 241-1918 - Please ask for Daniela or Maria WhatsApp: +1 (604) 360-9400 Email: [concierge@nautilusdive.com](mailto: concierge@nautilusdive.com)
Before Departure
Where do we meet the boat?
SeeCreatures, located directly across from the town square, two blocks from the marina and in the heart of the downtown restaurant and bar district. We want our place to be your home away from home! Please drop by when you get into town and we will get you kitted up with whatever you need. We offer a variety of pre-trip packages including two or three tank boat dives and side trips.
Can you help me get dive certified before the trip?
YES. We offer a full array of dive courses at SeeCreatures.
Can I get nitrox certified?
YES, at SeeCreatures
Will I need to show my dive certification cardbefore boarding?
YES.
Will I get seasick on this trip?
MAYBE!! Ok, we are joking a wee bit. We recommend prophylactic use of the scopolamine “patch” as an anti-seasickness medication. The patch has revolutionized the dive boat business and made going to sea practical for almost everyone. You will most likely not get seasick using the patch. The seas on the crossing - and out at Roca Partida dive site - are sometimes flat calm, while other times - maybe once in ten trips - the seas are rough. All of our ships are stabilized and the motion is comfortable - especially if you are using the patch - on the majority of days
What time do we meet?
You are welcome to drop your bags off and check-in whenever it's most
About Diving
How much experience do I need?
All are welcome. Our roots are in the cold, current-swept waters of BC and Alaska and we have always catered to experienced self-reliant divers looking for complete freedom on their dives. These divers are usually first in the water. We love buddying up with new divers looking for the reassurance of being with a dive guide from the time they start gearing up until they are back on the big boat. Most divers are somewhere mid-spectrum between these two groups and we make sure they are very well looked after as well! Note that several dives may be quite challenging and not suitable for divers of lower experience levels.
Is the diving from the big boat or skiffs?
Usually from our skiffs. We employ our multiple skiffs as “taxis” so that we can pick up divers when they surface and whisk them back to the big boat instead of waiting in the hot sun for everyone else to surface.
How many dives will I do?
Over five full dive days you will be able to experience some of our favourite sites such as El Canyon, the Boiler, Red Rocks, Roca Partida, Cabo Pearse, Punta Tosca and Roca Oneal. We know that many of our guests want the option of as many dives as possible and we strive to offer an average of four dives a day other than the day that we do our mandatory check in at the local navy base when you will likely have the option of three dives. Note that weather conditions, Mother Ocean or crowding by some of our competitors may limit some diving.
Are the boats camera friendly?
YES, VERY! Ask about rental cameras and photo pro services.
Are you rebreather friendly?
YES, VERY!
Can I do deco dives?
Sorry, no. Park rules have changed and deco diving is no longer permitted.
Can I do trimix diving?
We can arrange the supply of helium T bottles as long as you are comfortable doing your own blending
Where is the closest decompression chamber?
There is a navy chamber on Socorro Island and civilian chambers in Cabo San Lucas.
What happens if I need a medevac flight?
We can arrange the flight for you. There is a 5000-foot navy airstrip on Socorro Island. A single flight costs a minimum of US$10,000 and if you don't have adequate insurance, you will need to arrange for pre-payment of the flight
Do you have an AED and medical kit onboard?
OF COURSE! All of our crew are trained in first aid and a number of our crew are trained first responders
Our pre trip information package covers everything from boarding instructions to what to pack and general trip details. Please review it carefully for the most up to date information about your upcoming adventure.
Socorro - giant mantas, sharks and dolphins
Great trip. We had an amazing time
Socorro - giant mantas, sharks and dolphins
Great staff and could tell that they all got along very well
