If you camp at Ft. Warden or Flagler on Marrowstone, you can launch at either park.

I would suggest trolling the east side of Pt. Wilson. This use to be a very popular spot, but I haven't seen many boats doing it lately. That also gives you the option of anchoring and casting. Same would be true of the area East of the Marrowstone lighthouse and east of there.

If your boat is big enough, you can also run across to Whidbey and fish the shoreline for silvers. Directly across form Wilson is Casey, and then south of there is good all the way to Lagoon Point and beyond.

Someone else may be able to provide you with some more current information, but that should get you started.

Good Luck!