Marshvegas Festival is an accessible, family-friendly summer event in Marshfield, Massachusetts featuring live music, food trucks, local vendors, and the legendary LEMONADE WARS competition… where kids sign up to set up lemonade stands& battle for tips & big scholarship prizes! It’s known as one of the must-see music festivals near Boston and the South Shore, drawing over 1,000 attendees every August.

The Marshvegas Festival takes place every August in Marshfield, MA, just 30 minutes south of Boston. For 2026, it has been moved to the Marshfield Fairgrounds to accommodate free on-site parking. The venue was the Marshfield Town Green for the first two years. More importantly, the event is hosted outdoors and celebrates New England summer culture with live performances, artisan markets, and community activities.

Unlike large commercial events, Marshvegas Festival focuses on authenticity and young community involvement. Our signature is the Lemonade Wars competition, where local kids set up stands and sell free lemonade as they compete against one another for tips. Marshvegas spotlights small businesses and musicians from across Massachusetts.

Vendor and sponsor applications are always open. Businesses across New England can apply through the button on our website’s homepage labeled “Click for 2026!” Secure a booth or sponsorship package that reaches thousands of festivalgoers today!

Marshvegas sits near the top of Massachusetts festivals and activities like Levitate Music Festival, South Shore Arts Festival, and the Marshfield Fair. Many visitors plan a weekend around multiple South Shore events for a complete festival experience.

Yes! The Marshfield Fairgrounds for Marshvegas Festival is a pet-friendly venue.