I found out that the park takes reservations for the picnic tables with the shelters. The Fee is $20 an hour with cleaning security deposit.
Unfortunately, someone already reserved it from noon to 3PM. We can still have it at that location because I remember there being picnic tables around that area without the shelter that is first come first serve basis. I just have to go and check out the BBQ grill situation. ( if we have to bring out own or not).
http://apps.sandiego.gov/parkpermits/index.jsp?site=99
Another option is to move the location to the opposite side of the bay. I know this is where other car clubs have their meets. ( Location A to B )