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Sister Bay, Wisconsin

Youth and community nonprofits in Sister Bay, WI

2 tax-exempt youth and community nonprofits based in Sister Bay, from IRS data.

By type

Recreation and clubs1Child care1

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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.