Doe Island
Doe Island is a cute little park, sitting so close to Orcas Island it is easily missed even if your looking for it. Sitting just a few hundred feet off the east side of Orcas and just two miles or so north of Obstruction Pass, it's a side trip you should not miss. Stop there as a lunch stop or overnight-er. On shore are a few campsites and an old fashioned pit toilet, plus a few picnic tables. The circular shoreline trail may be walked in under ten minutes, maybe less than five if you speed walk.
Doe Island float
As of this writing I was told that last winter, a storm damaged the float and it has not been repaired. Possibly the park is closed, but I would go see for myself.
Obstruction Pass Park
Obstruction Pass Park is somewhat unique in the fact that it is accessible by land or water. It is tucked away at the south east corner of Orcas Island at the end of a short half mile or so trail. The small campground is open to boaters, hikers alike. A single buoy is in the small bay plus room to anchor. The beach is dinghy friendly however being open to the pass and resulting traffic makes for lots of wake action. There are trails to hike and great views, bring your camera and lunch.