| Date | Event |
| 10/1/2025 | Join us Wednesday, October 1st from 5-6:30pm at Courtyard by Marriott-Seattle/Bellevue Downtown for joint networking with professionals from Bellevue Chamber and Mercer Island Chamber. Amplify your reach as you grow your professional and personal network in this joint networking event. Wednesday, October 1st 5:00-6:30pm Courtyard by Marriott-Seattle/Bellevue Downtwon 11010 NE 8th Street, Bellevue, WA 98004 Disclaimer: Registration is required as space is limited. Registrants with more than 2 no notice/no shows may result in being unable to attend future opportunities. Mercer Island Connect is the chambers networking event series. Finding time in your schedule while trying to work can be hard, so we have options each quarter for you to connect with others when it is best for you.From early mornings, afternoons, evenings, and even industry specific opportunities, there is sure to be something for you! more info... |
| 10/3/2025 | In honor of Breast Cancer Awareness Month, The Style Collective is partnering with EvergreenHealth to bring their Mobile Mammogram Van to the Mercer Island Beach Club, making it easier (and chicer) than ever to take care of your health. This community event offers quick, convenient screenings with a touch of style. Everyone is welcome and encouraged to book an appointment. Your 40s are for glowing skin, glam lipstick… and getting screened. Early detection is powerful, and it looks good on you. more info... |
| 10/5/2025 | Join Mercer Island Rowing Club for their Row for MI Annual Fundraiser on Sunday, October 5th at the Mercer Island Beach Club from 4:00pm-6:00pm. Enjoy cocktails, appetizers, a paddle raise, a silent auction and more! more info... |
| 10/8/2025 | Business Workshop: Chamber 101, Getting the Most Out of Membership Are you a chamber member who isn't quiet sure how to get the most out of your membership? Maybe you are interested in learning more about what chamber membership entails before you make the leap to join. Did you know that part of membership gives you access to business strategy and event strategy sessions?! Join us for this informative workshop with Mercer Island Chamber CEO Jen Dean. She will go over the many benefits that come with membership, what are the best ways to utilize those benefits for your industry, what it looks like to partner with the chamber on your upcoming events, and more!! Event is open to both members and prospect members. This event is proudly sponsored by Puget Sound Energy. Registration is required. Space is limited. more info... |
| 10/11/2025 |  more info... |
| 10/12/2025 | PICK UP FREE DAFFODIL BULBS THIS SUNDAY! Come join us for our annual fall tradition providing Free Daffodil Bulbs to the community. This year, the giveaway will be held at the Mercer Island Farmers Market on Sunday, October 12, from 10:00 a.m. to 2:00 p.m. Community members are invited to stop by the booth, pick up their complimentary bulbs, and take home planting instructions to ensure a successful spring display. more info... |
| 10/13/2025 | Join us for a casual gathering to meet Julie Hsieh, a candidate for Mercer Island City Council. This will be a relaxed evening and an easy way to meet Julie, hear about her vision, and share your own thoughts about what matters most for our community. Julis is committed to energizing town center and creating a thriving hub where residents can gather, shop, dine, and enjoy community life.This isn’t a fundraiser, and there’s no agenda beyond conversation—it’s simply a chance to connect, ask questions, and get to know Julie. Please join us! more info... |
| 10/16/2025 | Join us for our next networking lunch at Allister, for food and connection. Thursday, October 16th 11:30am-1:00pm Allister We will learn about each attendees business and what you are looking for in connections. We will also enjoy delicious food from Mercer Island's newer restaurants. Space is limited. You must register. Each attendee is expected to purchase their own lunch. ***Because of space limitations we ask that only one representative from each organization attend. Mercer Island Connect is the chambers networking event series. Finding time in your schedule while trying to work can be hard, so we have options each quarter for you to connect with others when it is best for you.From early mornings, afternoons, evenings, and even industry specific opportunities, there is sure to be something for you! more info... |
| 10/18/2025 | No matter what stage of business you’re in - whether you’re just starting out, scaling to new heights, or years into running an established company - learning and networking remain essential for growth. The business world is always evolving, and continuous learning keeps you adaptable, innovative, and ready to meet new challenges.🔸 Gain insights from expert speakers – Learn strategies on business growth, marketing, and other hot topics that you can apply immediately to elevate your brand and bottom line. 🔸 Connect with like-minded entrepreneurs – Build meaningful relationships with women in business who understand your challenges and can help spark fresh opportunities for collaboration and growth. 🔸 B2B vendor market – Explore a curated selection of local experts offering tools, services, and solutions to help you streamline your operations and scale with confidence. 🔸 Enjoy exclusive VIP perks – VIP admission includes access to the main event plus a premium swag bag valued at over $200, filled with resources and gifts to inspire both your business and personal journey. more info... |
| 10/18/2025 | more info... |
| 10/22/2025 | Grab your broomsticks and gather your coven—it's time for Witches Night Out! Join us for a spellbinding evening of mystical merriment as you wander through local haunts, enchanting pubs, and magical shops, all decked out in your witchiest attire. Expect potion-inspired cocktails, tarot readings, plenty of cackling camaraderie, and more. Whether you're a seasoned sorceress or a curious newcomer, this community celebration promises a night of laughter, connection, and a little bit of magic. Let the moonlight guide you—this is one crawl you won’t want to miss! Wednesday, October 22nd more info... |
| 10/25/2025 | more info... |
| 10/29/2025 | !!! REGISTRATION CLOSED. EVENT AT CAPACITY!!
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| 10/31/2025 | Town Center Trick-or-Treat – Friday, October 31st, 3:30pm - 5:30pm The Chamber of Commerce and the City of Mercer Island have partnered again this year to host Town Center Trick-or-Treating. The route is open to any business who would like to hand out treats!
For this event, we will provide:
By signing up to participate, business agree to:
This event brings out many families and they get a chance to explore downtown and learn about businesses they might not have been to before, we recommend being prepared for 600 trick or treaters.
To join the Town Center Trick-or-Treat map, please email Katie Herzog: Katie.herzog@mercerisland.gov
more info... |
Events available for Registration... 5 Chamber Speed Networking Breakfast 12/5/2025 register for this event... |
Events in the month of October 2025 | ||||||||||||||||||||||||||||||||||||||||||||||||