4. Lookout Rooftop and Bar at Envoy Hotel
Atop the Envoy Hotel in Boston, Lookout Rooftop and Bar opened for its second season in early May. (The hotel originally opened in 2015.) The rooftop space can hold standing receptions for 275 guests. The menu may change slightly this year, but current selections for events include tuna tartar, soba noodles, and a charcuterie station.