See the maps . Lynn plans to stake our claim at the campsite Friday evening. It can be found on the chart of the bay, or in the Washington Atlas and Gazetteer on page 94. Although it's really the extension of the sand spit running W from the N end of Marrowstone Island across Kilisut Harbor, the two are only connected at very low water.
Access is by boat only.
The island is totally unimproved and noncommercial, covered in grasses and sand. The E end of the island is a bird refuge, and the usual camping site is near the W end. There's a nice campfire circle and several flat spots around for tents. There are two ways to get to Rat Island. The easiest is to drive to Fort Flagler State Park, at the N end of Marrowstone Island, launch at the boat ramp there, and paddle over to Rat.