Novato, CA

MARIN AQUATIC MASTERS

EIN 46-3841579

Mission

Provides year-round US Masters swimming programs in Novato, CA focused on adult fitness, competitive training, community service, and free adult learn-to-swim instruction to improve water safety and inclusion.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About MARIN AQUATIC MASTERS

Marin Aquatic Masters (MAQ) is a registered 501(c)(3) US Masters Swimming club based in Novato, California that offers structured workouts, coached training, and community swim programs for adult swimmers of all levels. The organization operates as a community-focused, donor-facing charity that emphasizes diversity, equity, and inclusion while supporting both fitness swimmers and competitive masters athletes. MAQ runs a free or low-cost Adult Learn‑to‑Swim (ALTS) program that has taught hundreds of adults, and in the last 2–3 years the team has been active as a host and organizer for regional Masters events and clinics. The club's EIN (46-3841579) is publicly registered and matches the nonprofit filings associated with Marin Aquatic Masters, confirming the profile of the organization as an active, operating charity.

Notable achievements

Free Adult Learn‑to‑Swim Program

Operates a certified Adult Learn‑to‑Swim (ALTS) program offering free in-water lessons (with a small registration fee for admin) led by USMS-certified instructors and volunteers; the program reports having taught hundreds of adult non-swimmers and aims to improve community water safety.

Hosted Major Masters Events

Served as host and organizer for regional masters meets and development clinics in recent years, including repeat hosting of long-course championship events and USMS stroke/skill development clinics, supporting competitive opportunities and coach education across the Pacific LMSC.

Program Funding & Growth

Secured grant support and sponsorships (including equipment/supplies partnerships) to underwrite ALTS and community programming and has maintained steady program activity and fundraising that sustain year-round practices and clinic offerings.

At a glance

Total assets: $40K
Annual revenue: $175K
Tax status: 501(c)(3)Public charity
EIN: 46-3841579
Location: Novato, CA
Website: www.marinaquaticmasters.com
On Mahalo since: May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

USMS Gold Club designation — club meets standards for coaching, structured workouts, and organized programming under U.S. Masters Swimming.

Registered 501(c)(3) tax-exempt organization (IRS nonprofit status in effect since 2014), confirming charitable eligibility for tax-deductible contributions.

Listed on nonprofit registries and recognized within Pacific Masters/USMS circles for event hosting, adult learn-to-swim leadership, and contributions to regional Masters swimming programming.

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