Youth and community nonprofits / Ohio / Cincinnati

Swimming and water sports

Cincinnati Marlins Inc

A tax-exempt swimming and water sports nonprofit with a mailing address in Cincinnati, Ohio, IRS-recognized as tax-exempt since 1967.

Data as of November 8, 2026Markdown copyJSON data

IRS facts

Type: Swimming and water sports (IRS activity code N67Z)

Mailing city (IRS): Cincinnati, Ohio 45224

EIN: 31-0725166

Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 1967, per IRS records posted October 13, 2026.

Revenue on its latest IRS filing: $930,662 (tax year ending 2025-08)

Check its status on IRS Tax Exempt Organization Search · Filings on ProPublica Nonprofit Explorer

How it compares

2 of 121 amateur sports nonprofits in Cincinnati when sorted from largest to smallest revenue. This shows size only, not quality. Groups with no reported revenue are listed last.

Size: revenue of $930,662 is in the top 10% of the 768 amateur sports nonprofits in Ohio that report revenue to the IRS (the city count above also includes groups with none). The median is $109,270.

Revenue compared with similar groupsRevenue of $930,662 compared with amateur sports nonprofits in Ohio: the middle 80% earn between $40,651 and $558,151, the median is $109,270. 10th pct$40.7Kmedian$109K90th pct$558K This group $931K

Our analysis of the IRS Business Master File (posted October 13, 2026), using each group's latest reported revenue. Groups are sorted by revenue and split into ten equal bands, using all Ohio groups of this type (Amateur sports, which covers several IRS activity codes). Size only, not a rating.

Around Cincinnati and its county

Hamilton County, Ohio: the Census Bureau estimates about 189,740 children under 18 (July 1, 2024). This directory lists 440 youth and community nonprofits with a mailing ZIP code in the county, about 2.3 per 1,000 children. The count includes PTAs, arts and day care groups, so it is not a measure of places for kids.

This group's ZIP code is matched to the county that holds most of its area, so counts are approximate. County figures come from the Census Bureau's Vintage 2024 population estimates.

Licensed programs in Cincinnati

500 licensed child care centers, 28 camps, 6 school-age programs are in state licensing records and listed in the BackPR finder. The examples below are not related to this organization.

licensed child care center

"Becoming Me" Social and Emotional Learning Enrichment After-School Program

Cincinnati, OH

State record

licensed child care center

3 Stages Childcare

Cincinnati, OH

State record

licensed child care center

4 Legendary Kids LLC

Cincinnati, OH

State record

licensed child care center

4MyKidz Learning Academy 2.0

Cincinnati, OH

State record

licensed child care center

5 Star Early Childhood Education Academy 1 LLC

Cincinnati, OH

State record

licensed child care center

5 Star Early Childhood Education Academy 2 LLC

Cincinnati, OH

State record

Ohio background check rules for youth programs · How BackPR works for amateur sports nonprofits

Questions about Cincinnati Marlins Inc

What is Cincinnati Marlins Inc's EIN?

Cincinnati Marlins Inc's EIN (Employer Identification Number) is 31-0725166. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

Is Cincinnati Marlins Inc a nonprofit?

Yes. The IRS lists Cincinnati Marlins Inc in Cincinnati, Ohio as tax-exempt under section 501(c)(3), recognized since 1967. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

Are donations to Cincinnati Marlins Inc tax-deductible?

Yes, the IRS lists gifts to Cincinnati Marlins Inc as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

What does Cincinnati Marlins Inc do?

The IRS classifies Cincinnati Marlins Inc as: Swimming and water sports. It has not filed a Form 990 or 990-EZ with a mission statement that we have loaded.

Do you run this organization?

You can add your programs, season dates, ages, prices, registration link and logo to this page, or ask us to remove it. BackPR's free plan for 501(c)(3)s handles online registration, payments, waivers and attendance. No subscription and no BackPR fee on what families pay (card processing fees from Stripe still apply).

Add details to this page · Remove this page · About the free plan

Free forms for amateur sports nonprofits

More amateur sports nonprofits in Cincinnati

Baseball and softball

Anderson Tomahawks

Cincinnati, OH 45244

Tax-exempt since 2012 · EIN 45-3038528

All youth and community nonprofits in Cincinnati

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.

Data as of November 8, 2026. Sources: IRS Business Master File (posted October 13, 2026), U.S. Census Bureau population estimates (July 1, 2024), state child care licensing records in the BackPR finder. Growth labels, ranks and percentiles are BackPR's own calculations.

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