I have been to Lakeport on numerous occasions. I usually stay at The Chalet Motel at 2802 Lakeshore Blvd and I try to eat at Round Table Pizza on 11th Street if possible. You can't go wrong with their pizza for either lunch or dinner.
I know- RT is a chain and how could it stand out from a family run pizza joint? Great beer on tap and for me, they have rice crust pizza as an alternate to traditional dough. Cuts way back on the carbs.