South Lake Union Block Party Returns This Friday, August 8 -- A Full Day of Free Fun in the Heart ...

Seattle's South Lake Union Block Party, produced by Bold Hat Productions, returns for its 19th year on Friday, August 8, 2025, offering a full day of free family entertainment.

This beloved neighborhood celebration transforms Seattle's fastest-growing district into a vibrant community gathering from 11 AM to 10 PM at the South Lake Union Discovery Center Lawn. The event combines live music, local culture, and community engagement in a festival atmosphere that showcases the area's dynamic spirit and creativity.

• Live performances on the Michelob Ultra Main Stage featuring Prom Date Mixtape, Lovely Colours, 90s Rewind, Hockey Teeth, and DJ A.S.I.A
• Community fair with 30+ local organizations, art activations, and businesses plus afternoon yoga sessions
• Beer and cocktail garden featuring local favorites with proceeds benefiting Immanuel Community Services
• Interactive Street Scramble scavenger hunt game throughout the neighborhood for individuals and groups