The only equation that matters. 

Now that Summer is officially here it's time you made plans to go Rockin' on the River with Redhook Longhammer IPA and the Isles of Shoals Steamship Co. Treat yourself to some live music on board the Thomas Laighton and cruise the beautiful Piscataqua River and Portsmouth Harbor.

Cruises depart at 7:30PM and return to dock at 10:00PM. Check out the schedule for Rockin' on the River then call your friends and join us for an amazing night on the water.

Must be 21+ with valid photo ID.