If you've got some extra cash lying around—perhaps you recently signed a multimillion-dollar contract extension with our favorite team in green?—consider this penthouse at 100 Beacon Street, just off the northwest corner of the Public Garden. The 4,083-square-foot, 2-BR, 2.5-BA has a master bedroom suite, 24-hour doorman service and valet parking for two vehicles, as well as extra-high ceilings (perfect for the 7-footer in your life) and windows on all four sides. That's nice and all, but head upstairs for the real 360-degree view: a private, landscaped rooftop deck with stunning cityscape and river vistas. As you've probably already guessed, the asking price, like the roof deck, towers over most in the city, at an eye-popping $10.5 million. — Rachel Lebeaux
· Listing: 100 Beacon Street [Zillow]
· Our Million Dollar Babies archive [Curbed]