+1 for Ortega River Yacht Club Marina. Don't let the yacht club name scare you off, very casual place, no initiation fees or anything like that. We would still be keeping our boat there but we moved out of the area.
Another vote for Ortega River Yacht Club. Clean showers, friendly group of people, good management, reasonable rates and easy sailing in and out. Was there for about 6 months and it was very good experience. Plus you can walk to a nice shopping center with a huge Publix, about a dozen restaurants, a Starbucks and a giant used bookstore is right across the street.