San Diego’s coastline features some of California’s most beautiful and accessible tidepools. These dynamic ecosystems offer incredible opportunities to observe marine life up close, from colorful sea anemones and sea stars to hermit crabs and …

Summer is the best season to see sea turtles in California, especially San Diego. Here’s where to see them and how to help protect them.

Tijuana River has been at the center of a transboundary pollution crisis on the U.S./Mexico border for decades, resulting in public health impacts, closed beaches and massive environmental degradation of the Tijuana River Estuary.

Tijuana River has been at the center of a transboundary pollution crisis on the U.S./Mexico border for decades, resulting in public health impacts, closed beaches and massive environmental degradation of the Tijuana River Estuary.

Toxic algae blooms are harming marine life up and down the coast of California. In recent months, it has been more apparent in San Diego County waters.

Explore the resurgence of black sea turtles in San Diego Bay. Learn about their comeback story, conservation efforts, and the positive impact on the local ecosystem.

Each year, hundreds of visitors repeatedly touch, pet, take selfies with, pick up, and disturb California sea lions at Boomer’s Beach and Point La Jolla in San Diego. San Diego Coastkeeper’s advocacy team recently submitted a letter to the Mayor of San Diego and the City Council urgently requesting that the City of San Diego take immediate action to curb the frequent, illegal harassment and disturbance of these animals.