Spend your second day exploring the stunning beaches and outdoor activities that San Diego has to offer. Start with a visit to La Jolla, a picturesque coastal community known for its beautiful beaches and sea caves. Explore the tide pools at La Jolla Cove and watch the seals and sea lions basking in the sun. Afterward, head to Mission Beach, where you can enjoy a leisurely bike ride along the boardwalk or try your hand at surfing. End the day with a visit to Sunset Cliffs Natural Park, where you can witness a breathtaking sunset over the Pacific Ocean.