I'm going to visit the following beaches:
Imperial Beach => close to the border, home of the U.S. sand castle building competition
Windansea (La Jolla) => surfing, snorkeling, kayaking
La Jolla Cove => best snorkeling in San Diego
Cardiff by the Sea + San Elijo Lagoon => old surfing town
Moonlight State Beach (Encinitas) => family oriented
Sunset Cliffs (san diego) => 68acres of cliffs, no facilities
Black's Beach => past torrey pines state beach, swimsuit optional hanggliding dangerous to access beach
Silver Strand Beach (Coronado south) => camping, Navy Seals training center