Set on Arrowsic's desirable Mill Island with 600' of frontage where the Back River meets the Sasanoa at Hockomock Bay, this recently updated midcentury modern home offers the ease of single-floor living, with a private dock, a common deep water dock with mooring, and a 45' lap pool. Set on 4.0± elevated acres, a dramatic covered entry framed by perennial gardens ushers you into this stunning Jozef Tara-designed home. Enjoy the ease of entertaining in the open kitchen, dining, and living spaces with commanding views. The southeasterly-facing kitchen features custom midcentury cabinets, honed granite countertops, bar seating, and a breakfast nook. The dining room flows into a four-season sunroom with baseboard heat and easy access to the back deck, creating a natural setting for gatherings. The window-lined living room features a fireplace and flows into a sunken gathering room with a woodstove creating an inviting space to relax & entertain. A spacious office just off the kitchen features custom built-ins, an abutting half bath & a laundry room. The east wing is anchored by a thoughtfully designed primary suite featuring a custom partition wall, two walk-in closets, and a full bath with dual sinks, soaking tub, and tile shower. A striking gallery-style hallway with skylights and built-ins winds through the home to the guest wing, creating a bright and distinctive sense of flow. In the guest wing, a den and guest bedroom share a Jack-and-Jill bath, while two additional bedrooms are served by a full bath. At the end of the hallway, a window-lined pool solarium with shower and patio access offers a resort-like setting for morning swims or afternoon lounging. Complete with a 3-bay garage and automatic full-house generator. A short boat ride to The Osprey Restaurant, Five Islands Lobster Company, Hockomock Bay and so much more. Just 3 min. by car to Mill Pond Preserve, 10 min. to Bath, 18 min. to Maine Street Brunswick and 52 min. to Portland International Jetport (PWM).