Seafair Summer Fourth @ Lake Union Park 2026

Seafair Summer Fourth brought to you by Amazon at Lake Union Park (South Lake Union) — 3 PM to 11 PM with free seating, live entertainment, food and drinks, and the spectacular Lake Union fireworks show starting at 10:20 PM choreographed to music.
Pre-show activities:
• 3:00 PM–10:00 PM – Interactive Seafair Coloring Wall
• 3:00 PM–9:00 PM – Long Putt Challenge by Flatstick Pub
• 3:00 PM–7:00 PM – FREE Youth Basketball Skills Drop-in Clinic
• 3:30 PM–5:00 PM – All-American Games
• 6:00 PM–10:00 PM – DJ Meglados
• 10:20 PM – Fireworks Celebration!
Free and open to the public. Beer garden, food vendors, and reserved premium seating available. Fireworks broadcast live on FOX 13 Seattle.