The world‘s finest diving

Malpelo silky shark shutterstock 178533530 optSOCORRO + MAGDALENA BAY
Mantas, Marlins, Sea Lions & Bait Balls
November 13 – 28, 2020 from $6495 + tax

This unique trip combines the excitement of Pacific baitballs being hunted by striped marlins and hungry sea lions … with the eternal magic of dancing mantas at Socorro.   Two destinations.  15 incredible nights with Nautilus Belle Amie as your “hostess”.   Save $500 + free overnight in Cabo, free nitrox and free wifi


During this time of Pandemic, divers are wondering where in the world they can travel.
Socorro and Magdalena Bay are two of the destinations currently open to travel.

Most of you know that off the west coast of Mexico’s BaJa California Peninsula, scuba divers experience some of othe most exhilarating pelagic animal encounters anywhere on the planet.  Set in the waters of the eastern Pacific Ocean, which is home to Galapagos, Cocos, Malpelo, the Revillagigedo Islands (Socorro), Guadalupe, Alaska … and all the territory in between … the chilly, nutrient-rich currents nourish hundreds of thousands of whales, mantas, dolphins, sharks & pelagic fish.   Many of you, however, don’t know about Magdalena Bay  … a large inlet on the coast filled with sardines & mackerel and their predators, the most thrilling of which are a sort of marine “fireworks”  … the electrifying striped marlins.



Striped marlins are some of the fastest and most agile fish in the ocean.  They attain speeds up to 80 kilometers per hour / 50 miles per hour and spectacularly change the color of their stripes with their moods. Sadly, marlins are prized trophy fish and sport fishing has been the major “industry” to hold court in the waters off Mexico until recently. There is a new eco-tourism effort growing in Magdalena Bay and by travelling there, divers can help the locals to believe in the concept that the marlins are worth more alive than hanging on someone’s wall.Trips leave Cabo San Lucas.  Some travel overland and are land-based … but this year the fabulous Nautilus Undersea is trekking over to the west coast to offer divers a bit of marlin wizardry.Arriving at the bay after the trip from Cabo, it’s time for the fun to begin.

SOCORRO liveaboards uw 15

You’ll be watcing for circling sea birds.  It’s nearly 100% certain that wherever there are large throngs of sea birds there are bait balls just below the surface …. and marlins & sea lions enjoying a feast.  There can be hundreds of fast-moving bait falls with up to 20 or 30 marlins in rapid pursuit. Joining the excitement are loads of sea lions who find the sardines & mackerel to be equally tasty morsels and are also expert hunters.Most of the time, the marlins and sea lions seem to work in a coordinated effort to herd and to split the bait balls to more easily capture the prey. Of course, the sea birds are constantly dropping in from above to get their fair share and sometimes tuna joining the action from below. It’s exotic marine madness.Adding interest during this voyage is a visit to the surprisingly intact WWI submarine as well as the wreck of the steamship “Independence” in which 150 people sadly perished.


The majestic Pacific mantas, the type you’ll encounter at Socorro, are the largest of the ray family.   They swim by moving their wing-like pectoral fins, which can grow up to 7 meters wide, but usually average about 5 – 6 meters.  The interaction divers experience in their presence is initiated by the mantas.  For 25 years they have been exposed to the strange creatures in rubber suits who lumber off boats … and the animals seemingly have become attached to our antics. The mantas come in very close – often less than 1 meter from a diver.  They will make eye contact with you, then swim along beside you. 

Of course, it’s totally on their terms. We don’t approach …. they do.  But, they choose to do so year after year after year … with group after group.

Socorro Special Exp


What is perhaps even more extraordinary is that the local population of bottlenose dolphins has learned to mimic the behavior of the giant mantas.  It is very likely that these wild dolphins will also move in close and intimate to divers during your trip.   Sort of Two for the Price of One !

November and December boast the warmest water temps of the year in the low 80’s so our charter puts you at Socorro at an ideal time.   And, in addition to the usual interaction with mantas, dolphins and 10 kinds of sharks …. this is the best time of year to see whale sharks in blue blue water, most often with excellent visibility. 

Steep walls and rock formations characterize the dive sites on these volcanic islands. The vegetation is usually very sparse, but the manta rays, whale sharks, hammerhead sharks, silvertip sharks, silk sharks, etc. make up enough for the barren underwater world.



Nautilus Belle Amie is 135 feet (41 meters) of comfortt.  She has 17 cabins, taking up to 32 guests. She’s big, bright, powerful & designed for the work she’s doing.  On the large & glorious partially-covered sun deck, you’ll a Jacuzzi, a bar and, of course, everything you need for catching rays.  Just below on the bridge deck, the guest area is devoted to 6 enormous suites. One level down, on the main deck, you find the air-conditioned dining room, completely separate interior lounge, another bar, 2 more suites (which connect and can be opened up into one enormous suite) and Belle Amie’s fabulous dive deck. The lounge offers a small library plus a TV/stereo entertainment system and Sat phone, email & internet access will be available.  On the lower deck, there are 8 standard staterooms and one triple cabin.




Magdalena Bay simply rocks and we are pleased to announce a peak-season trip taking advantage of the best visibility and warmest water at the best time of year for bait balls and for snorkeling with striped marlin. 

{slider  November 3 – 28, 2020 … 15-nights … from Cabo San Lucas, Baja California ….. See trip details …|dest|closed}

Magdalena Bay & Socorro Combo

15 nights pelagic extravaganza
Save $500 + free overnight in Cabo, free nitrox and free wifi.

Single cabin 8118,75 USD
Stateroom cabin 6495 USD
Superior cabin 7395 USD

* Plus 5% Tax and $65 port fee

The trip departs Cabo San Lucas November 13, 2020

You’ll want to arrange your international flights to and from Los Cabos International (SJD).   Easy same day fly-in from Los Angeles or Atlanta to Cabo (SJD) via Mexico City will get you there..We recommend arriving at the airport by 1:30 pm allowing for an hour or longer to clear immigration and customs and collect your bags. 

It’s a 35 minute drive from the airport to SeeCreatures Dive Centre which is your meeting point where you’re welcome to join the Nautilus group for a complimentary warm-up dive at Cabo Dive Center on October 4, 2020

Of course, we always recommend flying in early to enjoy Cabo San Lucas if you can.

Sealine Cabo Transfers is our recommended airport transfer company to and from Cabo San Lucas. For booking, please email Paco at

Join Nautilus for a complimentary warm-up dive at Cabo Dive Center on November 13, 2020.  Trip boards in Cabo San Lucas at 7:00 pm on November 13, 2020 and returns to Cabo San Lucas on November 28, 2020 at 8:30 am.


November 13: pm board Cabo
November 14-16: Mag Bay – pm departure
November 15: transit
November 18-26: Socorro
November 27: transit
November 28: am disembark Cabo



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