Founded in 2011 by the Rockland Professional Baseball, LLC, the Boulders are one of the original teams that competed in the Can-Am League before its 2015 expansion, along with the New Jersey Jackals, Québec Capitales and Trois-Rivières Aigles.

On July 24, 2011 in the top of the 9th inning with two outs, Joe Hage (23) hit a game-winning grand slam at Stade Municipal in Quebec City, Canada to give Rockland a 7-4 win over the Québec Capitales.

On September 4, 2011, the Boulders announced they had signed former New York Mets player Howard Johnson to a two-game contract to play alongside his son, Glen.

[1] The New York Boulders signed their first three players Tommy Giles, Eric Flynn and Ryan Mollica, from Suffern in its history in March 2011.

On August 22, 2013, Boulders pitcher Charlie Law pitched a complete game no-hitter defeating the New Jersey Jackals, a major divisional rival.

His 700 career hits breaks the record previously held by former Major League Toronto Blue Jays player Chris Colabello.

Left-handed starting pitcher Ryan Munoz froze the runners on first and second base by allowing an attempted bunt to touch the ground, then picked up the ball and fired a strike to third base initiating an around-the-horn triple play that went from third baseman Gabriel Garcia to shortstop Matt McDermott and was capped by first baseman Chris Kwitzer.