Sea of Cortez September 20-27, 2026
Get ready to swim in “the world’s aquarium”. The Sea of Cortez is bustling with friendly sea lions, whale sharks and schools of fish. It is located between mainland Mexico and the Baja California Peninsula and is one of the easiest places to reach to see a variety of marine life from the U.S.
Known as one of the most biologically diverse seas in the world, there are over 5,000 species of marine animals found here. In addition to its diverse marine life, the Sea of Cortez is known for its unique geography, with deep canyons and steep underwater cliffs.
The Sea of Cortez is also a popular destination for recreational activities such as sportfishing and kayaking. There are numerous islands and coastal towns along the sea’s shores that offer opportunities for visitors to explore its natural beauty and cultural attractions.
What To Expect
Scuba Diving:
The Sea of Cortez is flooded with marine life including hammerhead sharks, whale sharks, mobula rays and dolphins. The most popular diving spot in this area is El Bajo. It is the best place to see schools of hammerhead sharks.
La Paz Bay is where you can swim with whale sharks and Los Islotes is where you will definitely encounter sea lions. In fact, the Sea of Cortez is the only place in the world where you can swim and have physical contact with sea lions.
Keep your eye out for:
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Sea lions
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Orcas
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Whale sharks
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Hammerhead sharks
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Dolphins
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Whales
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Stingrays
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Turtles
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Over 900 species of fish
Recommended Specialty Courses:
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Photo & video
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Nitrox
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Fish identification
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Deep diving
The Sea of Cortez is one of the best diving destinations in the world. Jacques Cousteau referred to it as “the world’s aquarium” because of the diverse array of marine life including hundreds of species of fish, sharks, dolphins, whales, sea turtles and more. This deep gulf is thought to be one of the most diverse seas on the planet. It is a must-dive destination, especially for those who want to dive with sea lions and experience an overall abundance of marine life.
El Bajo
One of the best dive sites in the Sea of Cortez is El Bajo. El Bajo consists of three pinnacles that attract schooling pelagic species. When divers visit El Bajo, they’ll experience marlin, mantas and whale sharks. Scalloped hammerheads also frequently visit this site, making El Bajo an exhilarating dive site.
Los Islotes
Los Islotes is a dive site that features two large rock islets where you can see reef fish including angelfish, surgeonfish and parrotfish. The main attraction is the population of California sea lions where divers can be welcomed by a colony of more than 200. Head to this site to experience time with these playful pinnipeds.
Cabo Pulmo National Park
Being described as one of the most successful marine reserves in the world, Cabo Pulmo is a must-visit dive destination. The National Park is home to over 6,000 marine species. Divers may see unique animals include sea lions, humpback whales, mobulas and whale sharks along with groupers, turtles, and large schools of jacks.
1 Full Stateroom open
1 Stateroom with one Male Space Open
1 Full Triple occupancy Mixed-Gender Stateroom open
Pricing
- Stateroom Double Occupancy Diver: $3,500 per person
- Stateroom Single Occupancy Diver: $6,950 per person
- Triple Occupancy Stateroom: $3,400 per person
Payment Due Dates
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1st deposit: $1,000 USU
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2nd deposit: $1000 August 15, 2025
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3rd deposit: $1000 December 15, 2025
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Full Balance: June 22, 2026
Included:
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7 nights aboard Nautilus Explorer
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Transfers from SeeCreatures Los Cabos (SJD) at 4:30 PM on September 20
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All meals
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Approximately 15 dives (quantity of dives varies on time, conditions, weather, etc.)
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1 night dive
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Trip shirt
Not included:
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$35 per person port fee payable on board
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Alcohol
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Wi-Fi
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Nitrox -$120 for the week
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Airfare to Los Cabos (SJD) - Diventures can assist, reach out to travel@diventures.com
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Tip - $530 recommended
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Pre/Post Hotel stays
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Dive Insurance (required)
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Travel Insurance (highly recommended)
Know before you go:
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Read the know before you go information here
Callie Fetter
Things to know:
You will need to fly into the Cabo airport (SJD) we will provide the 90ish minute transfer from the airport to the dive shop
Meet at SeaCreatures Dive Shop in Cabo by 4:30 PM on September 20th, We recommend arriving on September 19th in the event of airline delays
On September 27th the boat disembarks at 8:30 AM, we recommend booking your flight home after 2pm if possible in case there are delays with transportation for the roughly 2 hour drive back to the airport
Your liveaboard accommodations include:
- 6 staterooms with side by side single beds
- 1 mixed gender triple occupancy room with seperate beds
- All rooms have ensuites and spacious showers.
$3500.00
Availability: In Stock
Sea of Cortez September 20-27, 2026
