May 1May Day Celebration and Potluck | fremontartscouncil.org/may-day May 513th Annual Cinco de Mayo Celebration | elcentrodelaraza.org May 5Opening Day 2018 Boat Parade | seattleyachtclub.org May 12Half-Price Moms’ Day at the Zoo | pdza.org May 12Mom & Me at the Zoo | zoo.org May 12Seattle Maritime Festival | seattlemaritime101.com May 13The Color Run 5K | thecolorrun.com May 17 – June 10Seattle International […]