Dress code on the southern california beaches hasn't changed much since the 50s;
spent time on the beaches in the 50s and 60s from Muscle Beach to Santa Barbara; when you're on the beach every day you hardly pay attention to what people wear - it's normal every day stuff -
volley ball and surfing were pretty much everywhere and weight lifting was THE THING at Muscle Beach.
Southern California beaches are hard to beat ---good beaches with food available, warm water and wave action - a trio thats hard to replicate anywhere else in the country.