The Great South Bay YMCA celebrated 25 years at is West Main Street location last week at the Boulton Center, and photographer Jennifer Mercurio was there.

She captured the night in photographs.

Scroll through to see all 20 photos from Mercurio, a greaterbayshore.com contributor and the owner of Lasting Impressions Photography at 126 East Main Street in Bay Shore.

(Also check out her cool fairy photos!)

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