Gronk Cruise: Rob Gronkowski parties shirtless on boat

Ready for day 1 in Miami! #miami #gronkcruise #gronk pic.twitter.com/dNSkWPFvSR

— Kim Conran (@kimconranxox) February 18, 2016

@975Middays about to board the Gronk Cruise! pic.twitter.com/rjA2ams6fr

— Birds Pulse (@BirdsPulse) February 19, 2016

Dedicated Gronk Boaters heading to mandatory safety drill. #MardiGronk

A photo posted by Sarah Spain (@spain2323) on Feb 19, 2016 at 12:35pm PST

Enthusiastic cruisers waiting to board Rob Gronkowski's "Gronk Boat" party cruise at the Port of Miami. #MardiGronk

A photo posted by Sarah Spain (@spain2323) on Feb 19, 2016 at 9:06am PST

A few hours in and the Gronkers are at peak Gronk — even in the elevators. #MardiGronk

A photo posted by Sarah Spain (@spain2323) on Feb 19, 2016 at 5:46pm PST