The easiest place to fish in the San Juans (in my opinion) with the greatest chance to catch a salmon is on the west side of San Juan Island. Start at Salmon bank on the South tip and troll along the west side of the island. Check the reg's to make sure you stay in the "legal zones" in that area. Get a hot spot flasher and green squid for coho and kings or use a pink squid for the humpies. All three species should be there. Best fishing starts in August and carries through September and October (if its still open then). Have fun. It's a "beautiful place to fish."