Family event
Halloween Pet Parade
Seattle, WA
Free community parade of costumed pets in Volunteer Park, with prize categories, food trucks and vendor booths.
- When
- Sunday, Oct. 4, 2026
- Hours
- 11am–2pm
Get early access
Family Halloween Events Near Seattle / Tacoma / Bellevue 2026
7 family Halloween events near Seattle / Tacoma / Bellevue with 2026 dates confirmed on their official sites, across 5 towns. The earliest to open is Booville at Wild Waves, on September 26.
Family event
Halloween at the Seattle Aquarium
Seattle, WA
Halloween-day trick-or-treat route around the aquarium's habitats, with costumed visitors welcome.
- When
- Saturday, Oct. 31, 2026
Family event
Hoot 'n' Howl
Eatonville, WA
Twilight Halloween walk through the wildlife park: decorated forest paths, trick-or-treat stations, games, nocturnal animal viewing and keeper chats.
- When
- Oct. 16–17, 23–24 & 30, 2026
- Hours
- 5pm–9pm
- Price
- $18 online; $25 at the window
Family event
Howl-O-ween at Cougar Mountain Zoo
Issaquah, WA
Halloween-day celebration at the small Issaquah zoo known for its big cats and reindeer.
- When
- Saturday, Oct. 31, 2026
Family event
Zoo Boo
Tacoma, WA
Costumed weekend at the zoo with trick-or-treat games, a costume parade and dance party, animals playing with pumpkins, and divers carving pumpkins underwater.
- When
- Oct. 17–18, 2026
- Hours
- 9am–3pm
- Price
- Free with zoo admission or membership
Theme park event
Booville at Wild Waves
Federal Way, WA
Kid-friendly daytime Halloween zone inside the theme park, with not-so-scary decorations, character meet-and-greets and fall activities alongside the regular rides.
- When
- Saturdays & Sundays, Sept. 26 – Nov. 1, 2026
Fall festival
Issaquah Salmon Days
Issaquah, WA
Long-running downtown Issaquah fall festival celebrating the returning salmon, with a parade, vendors, food and live entertainment.
- When
- Oct. 3–4, 2026
Quick Answers
What family Halloween events are open near Seattle / Tacoma / Bellevue in 2026?
Booville at Wild Waves, Halloween Pet Parade, Halloween at the Seattle Aquarium, Hoot 'n' Howl, Howl-O-ween at Cougar Mountain Zoo, Issaquah Salmon Days, and 1 more. Each has its 2026 dates, hours and prices on its own page.
When do family Halloween events open near Seattle / Tacoma / Bellevue in 2026?
The earliest in this guide is Booville at Wild Waves on September 26, 2026.
What Halloween events near Seattle / Tacoma / Bellevue are not scary at all?
Halloween Pet Parade, Halloween at the Seattle Aquarium, Hoot 'n' Howl, Howl-O-ween at Cougar Mountain Zoo, Issaquah Salmon Days and Zoo Boo are rated 1 of 5 ghosts: not scary.
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