Online Courses

Create your own underwater adventure with our engaging, highly interactive online learning experiences.

Short Courses

Our short courses are designed to provide an overview of a variety of marine species and ecosystems.

Ocean Literacy

Investigate the seven principles of ocean literacy.

Start This Course

The Truth About Sharks

Discover everything you didn’t know about sharks.

Start This Course

Caribbean Fish Identification

Identify that reef fish on your next trip to the Caribbean Sea.

Start This Course

Sea Turtle Ecology

Dive in to investigate species of sea turtles and how they survive in the sea.

Start This Course

Marine Ecology

Find out what makes the ocean such a diverse and critical ecosystem.

Start This Course

Lionfish Invasion

Invasive species, like lionfish in the Caribbean and other parts of the Atlantic, have far-reaching effects. Dive in to learn more!

Start This Course

Marine Mammals

Marine mammals spark the imagination of all.

Start This Course

The Natural History of Caribbean Coral

Discover the diversity of hard coral found in the Caribbean.

Start This Course

Ray Ecology

Gliding through the water, or hiding in the sand, investigate the mysterious lives of mantas, skates, and rays.

Start This Course

Marine Invertebrates

Meet the other 97% - animals without a backbone.

Start This Course

Ocean Mindfulness

Explore the profound connection between humanity and the ocean through the practice of mindfulness.

Start This Course

Beaver Ecology

Beavers, amazing engineers with fascinating adaptations.

Start This Course

Marine Science 101

Explore Marine Science 101, a free six-part introduction to ocean science. Each lesson builds essential understanding of marine life and ecosystems—learn at your own pace, from wherever you are.

Life in the Ocean

Explore the diversity of marine life and the adaptations that help organisms survive in ocean environments.

Start This Course

An Evolving Ocean

Learn how life in the ocean has changed over time and how evolution shapes marine organisms and ecosystems.

Start This Course

Ocean Ecosystems

Discover how marine organisms interact with one another and with habitats such as reefs, coasts and the open ocean.

Start This Course

A Dynamic Ocean

Explore the physical forces that shape the ocean, including currents, waves, temperature and other changing conditions.

Start This Course

Our Impact on the Ocean

Examine how human activities affect ocean ecosystems and what can be done to reduce those impacts.

Start This Course

Exploring the Ocean

Learn how scientists study the ocean using observation, technology, research tools and field methods.

Start This Course

Explorer Series

Explore ocean life through 29 bite-sized interactive stories, videos, images, and facts. Choose a topic to open its story in a new tab and return to your courses whenever you like.

Resources For the Scuba Industry Professionals

Sustainable Dive Leader

Sustainable Dive Leader advances professional development opportunities in the scuba industry by providing an introduction to sustainable tourism, with an emphasis on its relevance to, and impact on, dive tourism.

Start This Course