The 15 Best Whale Watching Tours with a Marine Biologist

1.Azores: Whale Watching & Islet Boat Tour w/ Marine Biologist

★★★★★★★★★★4.7 · 2,945 reviews · 3 hours · from $73Our pick

Join Terra Azul from Vila Franca do Campo for a three-hour RIB-boat trip led by a marine biologist or wildlife guide. Look for whales and dolphins, then circle Vila Franca Islet. Guides such as Matteo, Stephanie, Inês, and Claudia explain the animals, while the crew follows careful viewing rules.

“Amazing adventurous activity! We had perfect weather and we saw baleen whale, sperm whales (also a calf) and two types of dolphins - according to our guide we were really lucky :). The organization of the trip was very professional and I have absolutely nothing to complain about.”

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2.São Miguel: Whale-Watching Cruise with Marine Biologist

★★★★★★★★★★4.6 · 1,311 reviews · 3 hours · from $76

Cruise from Ponta Delgada with a marine biologist and lookout team guiding you toward whales and dolphins. Expect a 20-minute safety talk, 2.5 hours at sea, island cliffs, and a choice of catamaran or fast zodiac-style boat. Guides may include Mark, Sarah, Raquel, or Bia.

“It was an incredible experience, we got to see a whale and a very large group of dolphins (hundreds of them at the same time) while listening to a general explanation about the animals. During the trip back, the biologists go around the boat explaining everything with great detail individually, and you can ask your own questions.”

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3.SMALL GROUP Whale Watch | Cabo San Lucas | Biologist | FREE Pics

★★★★★★★★★★5.0 · 1,106 reviews · 2 hours 30 minutes (approx.) · from $109Top rated

Join a maximum-12-person boat in Cabo San Lucas with a marine biologist such as Oscar, Victoria, or Payo. See The Arch, Lovers Beach, and Pelican Rock before searching for humpbacks, dolphins, turtles, sea lions, and other whales. Free photos and a whale sighting guarantee add value.

“It was amazing. I felt like I was experiencing a new world that I had never seen. I felt a quiet privilege at being able to experience it. Our guide Victoria was knowledgeable and fun.”

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4.Whale and Dolphin Watching with a Biologist in Puerto Vallarta

★★★★★★★★★★5.0 · 666 reviews · 4 hours (approx.) · from $105

Join biologists such as Jemma or Camilla aboard a small covered boat from Marina Vallarta. Watch humpback whales, dolphins, turtles, and giant mantas, hear whale songs through a hydrophone, and take part in cetacean research during a roughly four-hour winter outing.

“We went all the way to the Marietas Islands and saw five male whales and one female — truly magical. Jema was warm, knowledgeable, and clearly loves what she does. Captain Jorge was excellent, getting us right to the action with a smooth ride. Whales everywhere, great crew, and yes… surprisingly good sandwiches. Book it. You won’t regret it. 🐋✨”

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5.Whale Shark snorkeling tour in a reduced group with local marine biologist

★★★★★★★★★★5.0 · 594 reviews · 3 hours (approx.) · from $190

Meet in central La Paz for a roughly three-hour whale shark trip with no more than eight people. A marine biologist such as Angel, Carla, or Karen explains the rules, then guides small groups through several surface swims. Wetsuits, gear, refreshments, permits, insurance, and GoPro footage are included.

“Angel was a fantastic guide, providing us with a fantastic encounter with the whale sharks. Alejandro was a great captain, putting is in perfect position for multiple chances to see the whale sharks. It was a once in a lifetime experience, an absolute must do!”

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6.ZODIAC Whale Watch Tour | Cabo San Lucas | Biologist | FREE Pics

★★★★★★★★★★5.0 · 365 reviews · 2 hours 30 minutes (approx.) · from $109

Join a maximum of 10 people aboard a fast Zodiac with a marine biologist such as Oscar, Josephine, or Victoria. Cruise past the Arch, Lovers Beach, and Pelican Rock, then search for humpbacks, dolphins, turtles, and rays. Free photos and a seasonal return guarantee are included.

“Our excursion was rescheduled due to too much wind. But we went the next, and the weather was beautiful. Our crew - Tour Guide/Marine Biologist Josephine and boat captain Hector - were knowledgeable and entertaining. We saw so many whales! The were Massive, Majestic, and Magnificent. Thank you Josephine & Hector@”

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7.Sesimbra: Arrábida Dolphin and Whale Watching with Biologist

★★★★★★★★★★4.9 · 310 reviews · 3 hours · from $64Best value

Join marine biologist Catarina and a certified crew in Sesimbra for a three-hour search for dolphins, whales, birds, and other sea life. The trip also visits Praia da Mijona and Ribeiro do Cavalo Beach, with time for swimming and snorkeling when conditions allow.

“We enjoyed it big time!!! The guide was really excellent. Very kind and she knows everything about the animals and nature. We are very very happy with this tour today!!! Thanks a lot.”

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8.Byron Bay: Whale Watching Cruise with a Marine Biologist

★★★★★★★★★★4.8 · 261 reviews · 2h 30m · from $91

Join Out Of The Blue Adventures from Ballina for a 150-minute cruise into Cape Byron Marine Park. A marine biologist, including guides such as Gabby, explains whale behavior and conservation while you watch for humpbacks, dolphins, turtles, and listen to live whale song through an underwater hydrophone.

“Hmm, the 30 minute waiting time didn’t seem necessary. That would be my only advice. Otherwise, it was an incredible experience!”

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9.Sesimbra: Arrábida Dolphin and Whale Watching tour with biologist

★★★★★★★★★★5.0 · 248 reviews · 3 hours (approx.) · from $66

Join Bolhas Tours in Sesimbra for a three-hour wildlife trip led by a marine biologist. You’ll search for dolphins and whales in Arrábida Marine Park, hear about conservation, then stop near Ribeira do Cavalo Beach for swimming, snorkeling, local wine, and coastal tales. Guides may include Pedro, Rosa, or Mariana.

“Dolphin coming up next to boat was special Tour started 1/2 hour late (as last guests were lost) Tour guide was fun”

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10.Observation of Dolphins and Whales with Marine Biologist in Arrábida

★★★★★★★★★★5.0 · 224 reviews · 3 hours (approx.) · from $66

From Sesimbra, cruise the Arrábida coast with a marine biologist such as Catarina or Erica. Look for bottlenose and common dolphins, with a chance of spotting whales, then see caves, cliffs, coves, and clear water. The three-hour trip departs at 10 a.m. and returns to the marina.

“Beautiful experience! Erica explained the different cross species very well and gave us lots of information! We were able to swim on one of the most beautiful beaches in Europe! It was magic Remember to take a small jacket especially if you are experiencing with a child.Auto-translated”

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11.Sesimbra: Dolphin and Whales Watching with Biologist Guide

★★★★★★★★★★4.8 · 197 reviews · 3 hours · from $64

Join Bolhas Tours in Sesimbra for a three-hour wildlife cruise led by marine biologists such as Rosa, Pedro, or Darcy. Search for dolphins and seasonal whales, learn about cetaceans, then stop at Ribeiro do Cavalo Beach for swimming, snorkeling, and Moscatel wine.

“Amazing that you just can go out to the ocean and find this wonderful delphines!”

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12.Whale Watching Adventure – Led by a Marine Biologist

★★★★★★★★★★5.0 · 176 reviews · 3 hours 30 minutes (approx.)

Join a marine biologist in Puerto Vallarta for a 3.5-hour small-group whale watch. Start with a short humpback lecture, then cruise Banderas Bay with a hydrophone, canopy-covered boat, snacks, and guides such as Cynthia, Michael, or Francisco.

“Our whale-watching adventure was absolutely epic! We were lucky enough to witness humpbacks during mating season, and wow, did they put on a show! The males, clearly focused on impressing the female rather than us, dazzled us with playful and dramatic behaviors that were mesmerizing to watch. Adding to the experience was the incredible biologist on board, who filled the trip with fascinating whale facts and answered all our questions. This wasn’t just a tour—it was an unforgettable marine spectacle! If you’re considering it, don’t hesitate—I HIGHLY recommend this tour!”

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13.Whale Shark Adventure with a Marine Biologist

★★★★★★★★★★5.0 · 100 reviews · 3 hours 30 minutes (approx.) · from $170

Meet Baja Wild Adventures at Playa SN-C Restaurant Bar La Costa for a small-group whale shark outing with a marine biologist. You’ll receive a wetsuit, snorkel gear, snacks, and water, then spend up to 30 minutes at a time in the water with no more than five swimmers near a shark.

“I had an incredible time swimming alongside whale sharks. They were huge and beautiful! The captain and guide took good care of us, making sure we all had a chance to get a good look and as we were a small group, we were all able to enter the water at the same time rather than having to wait and take turns. Also want to give a huge shoutout to Hamza from Baja Wild Adventures who was so kind, communicative and helpful along the way. Definitely will be back to swim with whale sharks again!”

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14.PRIVATE Whale Watch Tour | Cabo San Lucas | Biologist | FREE Pics

★★★★★★★★★★5.0 · 98 reviews · 2 hours 30 minutes (approx.) · from $369

Set out from Cabo San Lucas with a private captain and marine biologist for about 2.5 hours. See the Arch, Lovers Beach, and Pelican Rock, then search for humpback and grey whales. Your guide explains the wildlife and sends tour photos at no extra cost.

“Guide & Captain were awesome. Amazing up close views of whales! Humpbacks & Grey Whales. Absolutely recommend 🐋🐳”

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15.Lahaina: Day or Sunset Whale Watching Tour with Naturalist

★★★★★★★★★★4.9 · 71 reviews · 90 minutes - 2 hours · from $80

Meet at Dive Maui in Lahaina for a 90-minute to two-hour whale watch in the Auau Channel. A small custom raft, naturalists such as Rene and Joe, and an onboard hydrophone give you close views and whale song, but expect a bumpy ride.

“Amazing. The guides had so much knowledge. We even followed a competition pod! It made my stay in Maui.”

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