Welcome to the William Hazel House, a rare opportunity to own a turnkey home in Portsmouth's coveted South End. Nestled on a spacious corner lot, this beautifully restored 1893 residence combines historic charm with thoughtful modern upgrades. Enjoy picturesque Piscataqua River views & peek-a-boo water scenes from many of the home's windows, all just steps from the harbor & surrounded by some of Portsmouth's most scenic pedestrian & bike routes. Prescott Park, Clough Field, & Haven Park are all nearby, along with a beloved local coffee shop, fish market, & wine shop-putting the best of the South End right outside your door. This 3-bedroom, 1.5-bath home features an open-concept kitchen & dining area with granite countertops, a gas stove, & first-floor laundry. Original maple floors with a rare picture window layout, beautiful lighting throughout, & newer Anderson windows all add character & efficiency. Major systems have been modernized & smartly relocated to the first and second floors, including mini-splits, a new 200-amp electrical panel (EV-charger ready), & an on-demand tankless hot water heater. Redundant FHA gas heat ensures year-round comfort, & extensive foam insulation supports energy efficiency. On and off-street parking with a double-depth garage offer potential for expansion of living space. Storm-proofed & ready for long-term enjoyment, 508 Marcy delivers a rare blend of community, comfort, & coastal lifestyle in one of Portsmouth's most desirable neighborhoods.