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Trips departure daily at 9am. Check in starts at 8:30 am.
We offer trips as follow and could be changed for local conditions:
Monday, Wednesday and Fridays: Los Arcos and Majahuitas (Begginners are welcome).
Tuesday - Sunday: Marietas Islands only certified divers.
Divers must show certfication card.
We look always the best conditions acording with visibility, currents and waves for your convenience.
All of our trips are all inclusive tours, we includes 2 tanks, full set of gear, guide, boat ride and permits for diving at the marine reserves.
Our boats are fast, comfortable and safe, our guides know perfectly how to assist you on the boat, during the in water activity.
The information provided by our staff and theire experience is unvaluable.
Not recommended for travelers with poor cardiovascular health
Not recommended for pregnant travelers
Public transportation options are available nearby
Travelers should have at least a moderate level of physical fitness
Minimum age recommended 10 years
People under any influence of alcohol or any drug are not permitted
Not recommended for travelers under any drug or alcohol influence
People who suffer from heart disease, back, spine or knee problems cannot participate in this activity
Marietas Islands
We depart around 9 am from Marina Vallarta. At just 10 minutes, the ameca river provide great views and is the perfect spot to find some dolphins having breakfast. Passing the first hour we arrive the islands, but during the winter, the ocean provides great wild life on the way out like dolphins, turtles, mantarays and whales. Arriving the islands we will provide the snorkel gear and we will teach you how to use the gear and life jackets and provide some information to improove your in water skills to make your activity fun and safe. The hidden beach activity is optional and if you like to participate visiting one of the top ten beaches in the world. This activity has extra cost of just u$25.00 we receive the deposit cash by morning during your check in, and if you are not able to get in to it because of availability or weather conditions, we will give your deposit back, we are the only company who offer this kind of waranty for the hidden beach. 99% of our visitors are able to get in to it with no problems.
Los Arcos de Mismaloya
During the south dives we visit Los Arcos National park, the place is perfect for begginner dives or experienced divers too, offers depths from 20 ft for practives and certifications, and also a wall with 1600 ft for tech divers..
MARIETAS ISLANDS: This tour is to the very famous Marietas Islands National Park. Available only for certified divers this option is amazing.
LOS ARCOS DIVE TRIP: Dive at Los Arcos national park, tour specialy designed for certified divers. Begginner divers and non divers are welcome.
NON CERTIFIED DIVERS OPTION: Designed for those who do not have any diving certification, you can dive with us, discover scuba diving for first time diver
Permits for national park
Bottled water
CONANP (Federal gov) fee
Use of SCUBA equipment
Conservacy donation fee to Bahia Unida
Use of life vest
Boat ride
Box lunch
Gratuities
Beginner Scuba Diving Class
Port Fee
For a full refund, cancel at least 24 hours before the scheduled departure time.
80 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
Gerri75,12 thg 6, 2026
- Đánh giá từ Tripadvisor
My boyfriend and I went on an excursion with a group of friends with Eco Explorer while visiting Puerto Vallarta. The experience began with a beautiful one-hour boat ride, and the views along the way were absolutely breathtaking. One of the most exciting parts of the adventure was swimming through a cave while wearing helmets. It was definitely a little scary at first, but it added so much excitement to the experience. The reward at the end was unforgettable—a stunning private circular beach that was one of the most beautiful and unique places we’ve ever seen. It truly felt like a hidden paradise. After exploring the beach, we spent about an hour snorkeling and enjoyed seeing the marine life and crystal-clear waters. The entire excursion was well organized, fun, and filled with adventure. A special thank you to Rodrigo, our instructor, Captain Hector, and Everett for making the day so memorable. They were professional, knowledgeable, friendly, and attentive throughout the entire trip. Their enthusiasm and commitment to safety helped us feel comfortable and confident every step of the way. If you’re looking for a unique and unforgettable adventure in Puerto Vallarta, I highly recommend this excursion. It was easily one of the highlights of our vacation!


Verne624,7 thg 5, 2026
- Đánh giá từ Tripadvisor
Awesome Diving Adventure. The team was incredible and really friendly. We went on two dives, and both were stunning with tons of amazing coral structures, underwater caves, and fantastic sea life. I definitely recommend this company to anyone seeking a high-quality experience.
N9120RFpatricias,25 thg 2, 2026
- Đánh giá từ Tripadvisor
What a beautiful time. I dove and felt like I had personal attention with Eric. The crew was amazing and very accommodating to everyone’s needs. I would highly recommend this company and this tour.
joeldM3076WC,30 thg 1, 2026
- Đánh giá từ Tripadvisor
My wife and I went scuba diving for the first time ever. Our diving instructor was Eric and he did a fantastic job explaining the equipment and the process. When we first started decending down the rope when were both having a feeling of panic. Eric helped us through it and we tried again. We ended up going on 2 incredible dives that lasted around 35 mins each. We saw a ton of fish, an eagle ray, a lobster, and a sea turtle! I would recommend this for any beginner.


Jes 9876,29 thg 1, 2026
- Đánh giá từ Tripadvisor
I am so happy I chose to go with Vallarta Undersea for my scuba diving trip. The whole team was friendly and kind. From the very beginning Wendy was informative, helpful and great customer service. My dive master was Erik - so kind and patient! I was having hard time going under initially, he was so calm and understanding. He helped me calm down so I could get down and enjoy my dives. It was wonderful thanks to him! The whole team was a pleasure. Highly recommend this company :-)
hmcswells,17 thg 12, 2025
- Đánh giá từ Tripadvisor
A great day of diving in a warm and beautiful part of Mexico. The boat was small, but comfortable. The staff accommodating and friendly.





Bill M,1 thg 12, 2025
- Đánh giá từ Tripadvisor
Excellent small group. Only us 4 men on the dive. Excellent staff knowledgeable about everything Staff knew that three of us had not had a dive for 5-8 years. For experienced people, let them know how much weight you really want. I knew I needed only 18 lbs but he had estimated 24 lbs with me. Otherwise everything else was perfect
erin madro,7 thg 11, 2025
- Đánh giá từ Tripadvisor
Amazing trip, great team! Very knowledgeable, respectful, caring and wonderful. We would go with them again! It was a great trip.
367americav,5 thg 11, 2025
- Đánh giá từ Tripadvisor
Carlos and Eric were amazing. We came as first time scuba divers and they explained everything in detail made every single one of us comfortable with the process which made the whole experience amazing!
paolasA2496AL,5 thg 11, 2025
- Đánh giá từ Tripadvisor
Carlos and Eric were awesome. Really patient and friendly. Dieron muy bien servicio muy amables y pacientes. I had an awesome time it was very fun.
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