I am in SafeHarbor Anacapa Isle Marina in the Channel Islands Harbor and they have a sister marina in Ventura Harbor which is 6 miles away. You might get away with a 45ft slip since they have a 3ft overhang allowance. I think a non liveaboard
45ft slip may go for low $800s.
Problem with LA county is that with Covid life can be very restrictive. Ventura county is a little better. We are, however, a much smaller community and the social life is limited. We also have the Channel Islands that are amazing to visit and overall quality of life here is better than LA county. Finally, we do sail up here...we have much better winds for sailing than San Diego...though it is also a little cooler.
Nice thing about living on the boat....if you don't like the location you can always move.