Do not know.

Parking is free once you enter park. To enter park there is a fee per car. I used a senior pass and had to pay $5. I can't remember regular fee, but may have been around $10 it $15.

You will need to Uber or take the shuttle bus

Yes but be careful as there are no lifeguards on duty. You can park at one of the lots swim in the bay which is calm and quiet

Camping is not allowed on beach but they have a campground in between parking lots and off bike trail. Camping reservations can be made online at recreation.gov. Rates $30.00 per night $210.00 per week (7 nights) $15.00 per night with the Senior or Access Pass $105.00 per week (7 nights) with the Senior or Access Pass Rates do not include beach parking and Beach Parking Passes must be purchased separetely upon entering the park. Length of Stay: Visitors can only camp for 14 days or less.

Yes but they are outside in the wide open. But there is an open changing are within the closed bathroom.