Youth and community nonprofits in Water Mill, NY

1 tax-exempt youth and community nonprofits based in Water Mill, from IRS data.

By type

Amateur sports1

Amateur sports competitions

Hampton Velo Corp

Water Mill, NY 11976

Tax-exempt since 2003 · EIN 11-3619967

Also in Water Mill

Licensed child care and after-school programs in Water Mill · New York program rules

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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.