Valentine's Day is just right around the corner and in Mountlake Terrace there are many options for celebrating, whether as a couple or group of friends there is no shortage of fun and romantic things to do in Mountlake Terrace.Find the perfect getaway, parties or romantic dinner with your special someone on this Valentine's Day in Mountlake Terrace. Explore best of valentine's Day 2026 events & parties happening in Mountlake Terrace.