© iStock/ventdusud Diving in California California, the third largest state in the United States of America, boasts some of the best cold-water diving in the country. Marine life in California is abundant and diverse with species that go from the largest animals like whales, sharks and sea lions, to the smallest sea creatures like the colorful nudibranch. Diving in California, you will encounter a breathtaking kelp forest, which is one of the most spectacular sites you will admire. According to many divers, there is nothing in the world more beautiful than seeing the light from an above stream, down through the kelp beds on a sunny day. California offers many possible diving adventures. Hundreds of fantastic shore dives and great boat diving can be found in this state. Southern California is most famous for its shore dives. Multiple-day liveaboard charters can take you to more remote locations like the Channel Islands, the Coronado Islands, and Catalina Island. Some other must-visit dive sites in California include Southeast Farallon Island State Marine Reserve, Matlahuayl State Marine Reserve, Wreck Alley, and Veteran’s Park. Southern California has high temperatures during summer, reaching 16º C (60º F), while the north has cool temperatures during the same season, reaching 10º C (50º F). In winter, temperatures can vary from high to mid 5º C (40º F). Be ready because you might require a 7mm (.28 inches) thick wetsuit with hood, booties, and gloves or a drysuit, depending on the time of year you go diving, as temperatures will vary. No matter what time of year you visit, you will find the perfect diving adventu Featured places to go in California © ScubaproChannel IslandsAlso known as the Galapagos of North America, the Channel Islands are a protected park within America’s National Park system.Learn more © ScubaproSouthern CaliforniaThe famous ’Wreck Alley’, kelp beds and beach diving await you in Southern California.Learn more © AqualungNorthern CaliforniaCalifornia’s northern coast is rugged and has chilly water, but it’s also beautiful and charming with rocky cliffs, windy roads and spectacular diving.Learn more Dive Sites in California Discover the Wonders of the Deep with SSI's Blog Join us on an exciting journey of discovery and learn more about exhilarating diving adventures, dedicated conservation initiatives, and innovative educational opportunities that will help you illuminate the extraordinary beauty of the underwater world. Let's explore the underwater world together and delve into the hidden wonders beneath the gentle waves. The descriptions provided here are intended as general information and personal experiences related to specific dive sites and locations and should not be construed as definitive advice or recommendations. Before diving, please confirm that diving is permitted at your chosen location, and comply with all relevant local laws, regulations, and posted signage. The responsibility for verifying the legality of the dive and assessing any associated risks rests entirely with you.