Apparently there were a large number of transients and hobos that used to come and go on the railroad, and the beach was a conveniently close and secluded place for various debauchery.
There was a formula: Take an empty warehouse, send out postcards—I had a big, big mailing list, and mailing lists are power.
The atmosphere is typically very friendly.
You wanted to get as tan as possible.
There was always a lot of cruising, cars circling, men hanging out.
Translate that into your own experience.
Supposedly it was mostly concrete from the new interstate projects, but who knows what else.
For some live music featuring popular local acts, head to Dakota, The Cabooze, or Fine Line.