Travel the World. Make a Difference.

�� expeditions pair researchers with volunteers to address some of the world’s most pressing environmental challenges. Explore our current expeditions to discover how you can make a difference.

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A leatherback sea turtle (Dermochelys coriacea) seen on �� expedition Costa Rican Sea Turtles.

Ocean Health

Very Active

North America & Central America : Parque Nacional Marino Las Baulas & Playa Cabuyal, Guanacaste Province, Costa Rica.

Lead Scientist

Frank Paladino, Ph.D.

Pilar "Bibi" Santidrián Tomillo

Chelsea Clyde-Brockway, Ph.D.

Veronica Valverde Cantillo, MSc

Duration

9 days - Each day filled with impactful activities

Starting at $3,350

Expedition Details

A humpback whale (Megaptera novaeangliae) in Costa Rica

Ocean Health

Easy

North America & Central America : Golfo Dulce, Costa Rica

Lead Scientist

Lenin E. Oviedo Correa, Ph.D.

Duration

9 days (avg. $344 a day)

Starting at $3,100

Expedition Details

A Humpback whale (Megaptera novaeangliae) raises its tail out of the water as it goes in for a deep dive (C) Dr. Lenin Oviedo

Ocean Health

Very Active

North America & Central America : La Paz Bay, Mexico and Punta Lobos, Mexico

Lead Scientist

Lenin E. Oviedo Correa, Ph.D.

Duration

9 days - Each day filled with impactful activities

Starting at $3,750

Expedition Details

Three people tagging a large lemon shark caught at Gladden Spit.

Ocean Health

Moderate

North America & Central America : Riversdale, Belize

Lead Scientist

Jessica R. Quinlan, Ph.D.

Duration

8 days - Each day filled with impactful activities

Starting at $3,550

Expedition Details

More than a third of sharks and rays around the world are at risk of extinction, making them the second most threatened vertebrate group on earth (after amphibians).

Ocean Health

Moderate

North America & Central America : Sarasota, Florida

Lead Scientist

Demian Chapman, Ph.D.

Duration

8 days - Each day filled with impactful activities

Starting at $3,700

Expedition Details

CUSTOM EXPEDITIONS FOR GROUPS

Explore the world together. Our expert staff can coordinate a meaningful experience for school groups, corporate employees, alumni associations, community groups, or other affiliations.

Learn more about group expeditions

Be more than a tourist

I was fortunate to volunteer at the most recent expedition in Gulfo Dolce, Costa Rica, assisting marine biologists in studying the behavior of their resident whales and dolphins.

Jerri Roberts — Marine Life Conservation in Costa Rica