There are many things to do in Monterey, California during the summer months. Monterey has several beautiful beaches, including Del Monte Beach, Carmel Beach, and Asilomar Beach. Spend a day soaking up the sun, swimming, surfing, or kayaking. The Monterey Bay Aquarium is a world-renowned aquarium that is home to over 35,000 creatures and features interactive exhibits and touch pools. It's a great activity for families.