Beautiful!
This is an amazing spot! You can take your own boat or get a local ferry ride to the island. It's nicely wooded and has awesome areas (with picnic tables) to call home. The scenery is breathtaking and if you're lucky you might even see some orcas swimming by.
Like all of the islands in Marine Island State Park system, the area is equipped with vault/pit toilets that are nicely maintained (at least at the beginning of the fall). You may want to bring your own TP if that's your thing.
Month of VisitSeptember