The Isles of Shoals Steamship Company offers a variety of cruises out of Portsmouth Harbor during the warmer months. One of these options is a special Party Cruise, complete with music and a cash-only bar.
Of course the Gronkowski family has a party bus that they travel to Patriots games in and hold epic tailgates with. I wouldn't expect anything less. Go big or go home. That seems like the Gronkowski way. I mean the name of the bus is 'Size Matters.'
So you don't feel like dressing up for work or the Halloween party you were invited to, but you don't want to be a party pooper either. No worries, all you need is a classic Halloween mask or some sort of funny prop costume.