Three things stand out this week. One Ocean Week Seattle, Maritime Blue's citywide ocean convening, runs Monday to Sunday with open houses, tours, socials and a career fair along the waterfront. On Wednesday, the Washington B Corp Collective takes people behind the scenes at Ridwell's SODO facility, with a clothing drive on the side. And on the weekend, Green Seattle Partnership crews are pulling ivy and blackberry in Ravenna Park and along Thornton Creek, while Basilica Bio leads a night walk at Constellation Park to log sea stars.
Twenty-five events below. Twelve are free and open to anyone, one more is free once your registration is approved, one asks a suggested donation, six are paid, and five volunteer work parties and cleanups post no price.
Monday and Tuesday
- Sound Check: A Quiet Sound for Killer Whales, Monday 9:00 to 11:30 AM at the Seattle Aquarium. Free, registration required.
- danah boyd with Ron S. Jarmin: Data Are Made, Not Found, Monday 6:00 PM at Town Hall Seattle. $10 to $35.
- Introducing the Tribal Guide to Maritime Washington, Tuesday 2:00 to 3:00 PM at the Washington Trust for Historic Preservation. Free, registration required.
- Creating progressive movements with Hannah Sabio-Howell, Tuesday 6:00 to 9:00 PM at Soapbox in Belltown. Sliding scale, dinner included.
This week in Seattle
All week
One Ocean Week Seattle: Daily Open House on S/V One Ocean
Hosted by the S/V One Ocean crew for One Ocean Week Seattle · event page · Bell Harbor Marina, 2203 Alaskan Way · Monday to Thursday, 11:00 AM to 3:00 PM · Free
The sailing vessel One Ocean spent 2025 and 2026 circling North and South America, collecting scientific data and sharing the trip with students. Drop by the crew's education tent near the marina gates.
A Ballard Story: Pacific Fishermen
Hosted by the National Nordic Museum for One Ocean Week Seattle · event page · National Nordic Museum, 2655 NW Market St · Tuesday to Sunday, 10:00 AM to 5:00 PM · Free admission, register for the day you plan to visit
An exhibit on more than 150 years of Pacific Fishermen, Inc., one of Ballard's last working shipyards, told through photos, oral histories and artifacts.
Seattle Restaurant Week
Hosted by Good Business Network of Washington · their calendar · Restaurants, bars, cafes, food trucks and pop-ups across greater Seattle · Through Saturday 31 October · Set menus at $20, $35, $50 and $65
Good Business Network runs Restaurant Week as part of its Good Food Economy program, and this year it overlaps with One Ocean Week's seafood celebration. The directory and map are at srweek.org.
Monday 19 October
Sound Check: A Quiet Sound for Killer Whales
Hosted by Maritime Blue · event page · Seattle Aquarium, 1483 Alaskan Way (Pier 59) · 9:00 to 11:30 AM · Free, registration required
Quiet Sound's annual update on its work to protect Southern Resident killer whales in the Salish Sea, including results from a voluntary vessel slowdown in Admiralty Inlet and new thermal imaging and acoustic detection tools. Waitlist opens if registration fills.
danah boyd with Ron S. Jarmin: Data Are Made, Not Found
Hosted by Town Hall Seattle · event page · The Wyncote NW Forum, 1119 8th Ave (entrance off Seneca St) · 6:00 PM, doors 5:30 PM · $10 to $35, optional book add-on
A conversation about the 2020 Census and the civil servants who carried it out under political pressure, a pandemic and natural disasters, and why protecting democracy means protecting the people who produce public data.
Tuesday 20 October
Introducing the Tribal Guide to Maritime Washington
Hosted for One Ocean Week Seattle · event page · Washington Trust for Historic Preservation, 1204 Minor Ave · 2:00 to 3:00 PM · Free, registration required
A live demo of a new website and virtual guidebook sharing the maritime stories and water-based heritage of Washington's Tribal nations, including how to engage respectfully with Tribal places and communities. Coffee and tea provided.
Park Tour: Myrtle Edwards and Centennial Parks
Hosted by Seattle Parks and Recreation and the Port of Seattle · event page · Meet at the south entrance of Olympic Sculpture Park · 3:30 to 4:30 PM · Free, registration required
A 45-minute walk through the renovated waterfront parks, with project managers explaining how the work restored beaches and improved upland habitat.
One Ocean Week Seattle 2026 Summit
Hosted by Maritime Blue · event page · Bell Harbor International Conference Center, 2211 Alaskan Way · 1:00 to 4:00 PM · $100
The week's flagship program: fireside conversations, live music and sessions on ocean diplomacy, financing ocean technology, ocean communications and cross-sector partnerships.
Creating progressive movements w/ Hannah Sabio-Howell
Hosted by Soapbox Project · their calendar · Soapbox, 2301 1st Ave · 6:00 to 9:00 PM, arrive by 6:30 · Sliding scale ($14 first-timer ticket, or name your own price at checkout), plant-based dinner included
October's ACT night ties democracy to the climate crisis. After dinner, state Senate candidate Hannah Sabio-Howell takes questions on how everyday actions connect to policy, then everyone moves to hands-on action stations. No experience needed.
Wednesday 21 October
Ocean Impact Storytelling: Coffee and Conversation
Hosted by Maritime Blue · event page · 1515 Western Ave (exact spot sent to registrants) · 8:00 to 9:30 AM · Free, registration required
An informal morning coffee for ocean innovators, storytellers and funders. No panels, no pitches; bring a colleague.
Catch+Create Showcase: Meet the Next Generation of Seafood Innovators
Hosted by Positively Groundfish · event page · Bell Harbor International Conference Center, 2211 Alaskan Way · 2:00 to 5:00 PM · Free, registration required
Startups from the first Catch+Create Accelerator cohort show new consumer products made from underused West Coast groundfish, then pitch for cash prizes while the audience votes. Chef Barton Seaver gives the keynote.
Beyond the Bin: Facility Tour, Clothing Drive and Networking at Ridwell Seattle
Hosted by Washington B Corp Collective · their calendar · Ridwell HQ, SODO (address sent on registration) · 5:00 to 7:00 PM · Free, $10 suggested donation
A behind-the-scenes look at how Ridwell handles hard-to-recycle items like plastic film, textiles and batteries. Bring clothing for the optional donation drive. Also listed by Good Business Network of Washington.
2026 Doug Walker Lecture and Reception with Phil Levin
Hosted by the UW College of the Environment at Town Hall Seattle · event page · The Wyncote NW Forum, 1119 8th Ave (entrance off Seneca St) · 6:30 PM, doors 5:15 PM · $8, includes a pre-reception with beer, wine and small bites
Phil Levin, director of UW's School of Marine and Environmental Affairs, reflects on the first independent national assessment of nature in the United States and what it says about stewardship and resilience.
Thursday 22 October
Daybreak Community and Land Tending
Hosted by Green Seattle Partnership with United Indians of All Tribes Foundation · event page · Daybreak Star Cultural Center, Discovery Park · 11:00 AM to 3:00 PM, also Friday 23 October · No cost listed, sign up ahead
Planting, weeding and harvesting in the Forest Garden, which supports elders, youth and Indigenous-centered community programs. All ages, for part or all of the day.
One Ocean Week: Triple Bottom Line Impact Analysis for the Blue Economy
Hosted by 9Zero Seattle · their calendar · 9Zero Climate Innovation Hub, 1215 4th Ave, 15th floor · 11:00 AM to 12:00 PM · Free, approval required
Earth Economics and Maritime Blue present a new framework for measuring the economic, environmental and social impact of Blue Economy projects, drawing on the SDGs and the Ocean Impact Navigator.
Good Business Network Member and Prospective Member Happy Hour
Hosted by Good Business Network of Washington · their calendar · Macadons Production Facility, 2724 6th Ave S, Suite 203 · 5:00 to 7:30 PM · Free, optional donation to the Resiliency Fund
For anyone curious about joining Good Business Network, Seattle Made or NW Sewn, and for current members who want to hear about 2027. Drinks and bites provided.
Sustainable Seafood Social: Networking Happy Hour with the MSC
Hosted by the Marine Stewardship Council · event page · The Barrel House at Reuben's Brews, 1133 NW 51st St · 5:00 to 7:00 PM · Free, registration required
Two drinks and sustainable seafood appetizers while you meet people working in fisheries, shipping and tourism.
Friday 23 October
Sound Day
Hosted by Maritime Blue · event page · Bell Harbor International Conference Center, 2211 Alaskan Way · 10:00 AM to 1:00 PM · Free, registration required
A maritime and ocean career fair for students and anyone curious about working on the water. Browse employer booths and talk with people in the field.
Saturday 24 October
Bird Migration Walk and Riparian Restoration along Thornton Creek
Hosted by Green Seattle Partnership with Dirt Corps · event page · Kingfisher Natural Area entrance, 2003 NE 100th St · 10:00 AM to 1:00 PM · No cost listed, sign up ahead
Learn how wetlands support migrating birds, then pull morning glory and other weeds to make room for spring planting. Tools, gloves, snacks and hot drinks provided; all ages.
Tree Care and Stewardship Training with Trees for Neighborhoods
Hosted by DIRT Corps with Trees for Neighborhoods · event page · Ballard Library meeting room, 5614 22nd Ave NW · 3:00 to 5:00 PM · No cost listed, register ahead
A hands-on workshop on tree care basics and good practice for Seattle's public spaces, open to stewards of every age and skill level.
Sunday 25 October
Ravenna Restoration Romp
Hosted by Green Seattle Partnership · event page · Ravenna Park, 5520 Ravenna Ave NE (meet near the basketball courts east of the Cowen Park Bridge) · 10:00 AM to 12:30 PM · No cost listed, sign up ahead, limited availability
Clearing blackberry, ivy and Golden Chain trees and building mulch piles to ready the site for planting next year. Wear long sleeves for the thorns.
Fright to Repair: Costume and Mending Workshop
Hosted by Basilica Bio and ReUse Commons · event page · Reuse Commons Lake City, 12558 Lake City Way NE · 4:00 to 6:00 PM · Free, registration required
Learn quick stitching, mend your own costume pieces, build Halloween accessories from provided materials, and play trivia. Childcare available on request.
Basilica Bio Beach Night: Puget Sound Citizen Science
Hosted by Basilica Bio with Maritime Blue · event page · Constellation Park, 3400 Beach Dr SW · 7:30 to 9:30 PM · Free, registration required, limited availability
A low-tide night walk to photograph intertidal life, log it on iNaturalist and look for sea stars. No science background needed.
Around the region
Leafline Regional Trails Summit
Hosted by Seattle Parks Foundation and the City of Redmond · event page · Redmond Senior and Community Center, 8703 160th Ave NE, Redmond · Friday 23 October, 9:00 AM to 4:00 PM · Sliding scale, $60 to $140
Planners, officials, advocates and trail users on funding, cross-jurisdiction coordination and serving every kind of trail user, closing with elected officials from four counties and afternoon trail tours.
Richmond Beach Saltwater Park Cleanup
Hosted by Puget Soundkeeper volunteers · event page · Richmond Beach Saltwater Park, 2021 NW 190th St, Shoreline (meet by the restrooms and playground) · Saturday 24 October, 10:00 AM to 12:00 PM · No cost listed, RSVP required
Part of Puget Soundkeeper's fall Sound Sweep series. Supplies provided.
Looking ahead
Pamela Ronald: What Feeds Us · Monday 26 October, 6:30 PM (doors 5:30 PM) · The Wyncote NW Forum, 1119 8th Ave · $10. UC Davis plant geneticist Pamela Ronald on climate-resilient crops and cutting farming's footprint. Hosted by the UW Office of Public Lectures at Town Hall Seattle.
Trash or Treat · Tuesday 27 October, 5:30 to 7:00 PM · Puget Soundkeeper office, 130 Nickerson St, Suite 107 · No cost listed. A costumed Halloween cleanup along the Ship Canal trail with Surfrider Foundation. Hosted by Puget Soundkeeper.
The Ballard Boo! Bash Halloween Party · Saturday 31 October, 6:00 to 9:00 PM · Center for Spiritual Living Ballard, 2007 NW 61st St · Free. Games and crafts for all ages, a kid-friendly open mic, then spooky stories and a live band. Hosted by Sustainable Ballard and Center for Spiritual Living Ballard (their calendar).
Finding purpose in times of crisis: concert ft. MANISHA · Tuesday 3 November (Election Day), 6:00 to 9:00 PM · Soapbox, 2301 1st Ave · Sliding scale ($14 first-timer ticket, $15 to $28 sliding scale), dinner included. A plant-based dinner, a short concert and conversation on faith, spirituality and climate action. Hosted by Soapbox Project (their calendar).
Good Gala 2026 · Saturday 7 November, 5:30 to 9:00 PM · ArtLove Salon, 110 Union St, fifth floor · $175 general admission, $225 VIP. Small plates from local chefs, program updates and an auction of member-made goods. Hosted by Good Business Network of Washington (their calendar).
Seattle Forest Week work parties · Saturday 7 November, mostly 10:00 AM to 1:00 PM · Leschi, Mt. Baker, Pigeon Point, Kubota Garden, Longfellow Creek and more · No cost listed, sign up per site. Planting and restoration across the city's forested parks. Hosted by Green Seattle Partnership and partners (listings).
For more Seattle communities and guides, see FYP Seattle.