The beautiful white sand beach of Hanalei Bay is a 10 minute drive down the hill from Princeville.
The closest beach that you can walk to from Sylvia's Tower is Wyllie Beach, which is near Anini Beach. The path to Wyllie Beach is on the other side of these trees...
		just walk out on the bluff at the end of the road...
and then it is about a 15 minute walk down the shaded path to Wyllie Beach. (Warning: it will probably take you longer to walk back UP the path!)
If you walk to your right and cross the small stream, it will take just a few minutes to reach Anini Beach and Anini Beach Park.