Blue Crush

Sea and sky converge at Blue, an unexpectedly posh 15-room retreat on Plum Island, where all the luxe amenities are white and—you guessed it—blue. This spring, the South Beach–style inn unveils an updated modern décor and introduces in-room spa treatments, giving travelers two more reasons to check in. 20 Fordham Way, Newbury, MA, 978-465-7171,