1. Mission Beach is a popular beach destination in San Diego, California with a long stretch of sandy beach. It is located between Pacific Beach to the north and Belmont Park to the south. This beach is known for its wide boardwalk, which is perfect for biking, skating, strolling, and people watching. There are also many beachfront restaurants, bars, and shops. Surfers, swimmers, and sunbathers can enjoy the beautiful weather and the waves. The iconic Giant Dipper roller coaster at Belmont Park attracts many visitors as well.

2. Mission Beach is open 24 hours, but the businesses and amenities operating hours may vary. For specific hours of Belmont Park and other attractions, please contact them directly. Phone numbers for some of the businesses in the area can be found online.

3. Admission to Mission Beach is free. There are parking lots available, but they can get crowded during peak season. Public transportation and ride-sharing services are also available. The area is easily accessible by bike and bike rental companies are located nearby.