Blue Hills Reservation is a great place to hike and enjoy nature - it has multiple trails that start a short drive away from the Marriott Quincy
If you have some free time in Quincy, you can check out the birthplace of John Adams and John Quincy Adams
If you forgot a weekend essential at home, the South Shore Plaza is a mall nearby that may have what you need. It also contains suburban staples like UNO Pizzeria & Grill and The Cheesecake Factory.
Granite Links opens its golf course to the public after 1pm on weekends, and all day during the week
Ocean views can be found even closer to the Marriott Quincy, but Nantasket is a great beach option about 35 minutes away. A warning that even in the summer, the Atlantic is pretty cold!
If you have an extended stay in Boston, check out Paroma's favorite art museum in Boston