Onca Explorations Mazatlan
Whether it is watching the amazing humpback whales, swimming with wild dolphins, snorkeling the islands, kayaking among mangroves, or discovering ancient petroglyphs while hiking on a natural protected area, our experienced staff, small group policy, and personal attention make simply the best ecotours in town!
We design and perform nature based tours & wildlife conservation adventures in Mazatlan, Sinaloa and northwestern Mexico.
Founded and operated by marine biologists and ecologists, ONCA is the first research based whale watching operator in coastal waters off Sinaloa. Our daily expeditions allow for an alternative platform to monitor local marine mammal populations and marine environment.
Wild Dolphin Adventure
Experienced marine biologists, ecologists and naturalists will guide this expedition providing you with outstanding commentary about local environment and sharing real time insight into the lives of dolphins while collecting scientific data for current research and conservation projects.
Whale Research Adventure
Marine biologists, ecologists and naturalists will guide your adventure out sea with outstanding commentary about local environment and sharing real-time insight into whales’ ecology and behavior while collecting scientific data for on going research and conservation projects.
Marine Safari on the Isla Clarión
The Isla Clarión is a classic 65 ft. boat built in 1953 for chartes and sport fishing in Long Beach, California. After serving generations of happy anglers for decades all along central and northern California, the Isla Clarion has found a new life in Mazatlan for the enjoyement of all locals and tourists in search for adventures at sea.
Kayak & Snorkel Adventure
Explore the islands of Mazatlan on your own Kayak, and Snorkel in some of the best locations most tourists never get to see! So paddle up! and join us on this unique coastal adventure.
Island Snorkeling Expedition
Capturing the very essence of the bay of Mazatlan, this tour is a marine adventure to be enjoyed by all! Great scenery, wonderful wildlife, friendly guides and the best snorkeling around makes this the perfect way to experience the bay of Mazatlan and its majestic islands.
Las Labradas: Petroglyphs
Join us on a journey back in time and re-live thousands of years of ancient cultural traditions while we explore one of the most captivating archeological sites of northern Mexico: Las Labradas petroglyphs.