Oswego Harborfest

06/02/2026

A huge thank you to Texas Roadhouse in Oswego for hosting our Harborfest 2026 fundraiser on May 18th — and to everyone who came out to support! 🎉

It's because of community support like this that Harborfest remains FREE for everyone to enjoy. We couldn't do it without you. See you July 23–26! 🎸⚓

05/31/2026

🎧 DJ Mike returns to the Constellation Lakeview Stage this year to keep the vibes going between sets on Friday and Saturday. No gaps, no lulls — just four days of non-stop music along the lakeside. See you on the lakefront, July 24th and 25th. 🎶⚓

05/29/2026

🚨 There's still time! We extended the vendor application deadline for Oswego Harborfest so MORE amazing businesses can be part of the fun! Thousands of guests, summer vibes, and a weekend you'll never forget 🌊⚓
The new deadline is JUNE 15th. Grab your spot before it's gone — link in bio to apply!

05/27/2026

05/27/2026

🎨 THE OFFICIAL HARBORFEST 2026 POSTER IS HERE! 🎨

Meet our winner — Sadie May — who beautifully captured the soul of the festival: from the calm of the lake at sunset to the fireworks bursting over the harbor, this design is pure Harborfest magic. We're so proud to have it represent our 37th year.

Thank you to EVERY artist who submitted — you made this the best contest yet. 💙

To read our interview with Sadie May, and see our a slideshow with our finalist contestants, go to oswegoharborfest.com/Poster-Contest

05/26/2026

We got a glow-up. 💻✨

Our new Oswego Harborfest website is officially live — your home base for the latest lineup news, festival updates, and everything you need to plan your Harborfest 2026 experience.

Take a look at oswegoharborfest.com

05/22/2026

05/21/2026

🤘🌊 Your Harborfest 2026 Lineup 🤘🌊

📍 Oswego, NY
🗓️ July 23-26, 2026

05/20/2026

05/19/2026

Oswego, get ready to dance — Mimicking Mars is coming to the C's Farm Market and Beverage Center Stage at Cahill Pier on July 26, 2026!

Hailing from Monroe, NY and now based in Syracuse, Mimicking Mars brings infectious psychedelic indie rock grooves, heartfelt lyrics, and the kind of live energy that makes every show a full-body experience. 🕺

The band has had a breakout run, sharing stages with Kendall Street Company, Kids That Fly, and others, performing at Bethel Woods' Horizon Stage, and even catching the attention of The Grateful Dead's official Instagram. Their latest single "$4.75" is out now.

Come catch them live at Oswego Harborfest — this is one set you won't want to miss.

📍 C's Farm Market & Beverage Center Stage at Cahill Pier
📅 July 26, 2026