Find Delaney elsewhere:
First come, first serve.
I came up on a Sunday so it was no problem to secure a spot. Very friendly ranger that allowed me to browse spots before choosing.
It gets darker earlier because of the canopy, so set up camp before heading out on any sunset hikes. You are right at the base of a ton of trailheads so take your pic of coast or bay.
The sites had a fire pit, grill, table and a sizable lock box.