Are you going to anchor? Then go north. IIRC Camino island state part has mooring bouy's, or you could anchor there. I also recall a spot just as you turn north along the whidbey side. You could go north between camino and the main land.
If you want actual dock moorage, You can come south to Edmonds, or across the water to Kingston, or a bit farther is port ludlow to the west. You can anchor in lulow easy enough too. A bit farther south of Kingston on the north end of bainbridge is Port Madison, lots of anchoring in there. There is also a st park at the NE corner that I recall has mooring bouys too.
Reality is, quite a few spots depending upon the type of weekend you want, ie docked or anchored.
She drives me boat,
I drives me dinghy!