Free Online Marine Science Courses
Start with Marine Science 101, our six-part introductory course, or choose an individual topic below from our free online marine biology and marine science courses.
Life in the Ocean
Explore the diversity of marine life and the adaptations that help organisms survive in ocean environments.
An Evolving Ocean
Learn how life in the ocean has changed over time and how evolution shapes marine organisms and ecosystems.
Ocean Ecosystems
Discover how marine organisms interact with one another and with habitats such as reefs, coasts and the open ocean.
A Dynamic Ocean
Explore the physical forces that shape the ocean, including currents, waves, temperature and other changing conditions.
Our Impact on the Ocean
Examine how human activities affect ocean ecosystems and what can be done to reduce those impacts.
Exploring the Ocean
Learn how scientists study the ocean using observation, technology, research tools and field methods.
Short Courses
Our short courses are designed to provide an overview of a variety of marine species and ecosystems.
Caribbean Fish Identification
Identify that reef fish on your next trip to the Caribbean Sea.
Sea Turtle Ecology
Dive in to investigate species of sea turtles and how they survive in the sea.
Marine Ecology
Find out what makes the ocean such a diverse and critical ecosystem.
Lionfish Invasion
Invasive species, like lionfish in the Caribbean and other parts of the Atlantic, have far-reaching effects. Dive in to learn more!
The Natural History of Caribbean Coral
Discover the diversity of hard coral found in the Caribbean.
Ray Ecology
Gliding through the water, or hiding in the sand, investigate the mysterious lives of mantas, skates, and rays.
Ocean Mindfulness
Explore the profound connection between humanity and the ocean through the practice of mindfulness.
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.