Hallowing Point River Estates, Fairfax County's best kept secret along the wide waters of the majestic Potomac River at the tip of the Mason Neck Peninsula where eagles soar and the river runs deep. This beautifully maintained home with superior elevation offers a resort lifestyle, a place of serenity to unwind and enjoy the surrounds of calming waters and abundant nature. Experience magical sunrises from this well-designed home, sited on a .73 ac lot capturing panoramic vistas. Tucked away in a perfectly secluded setting adjoining the community 7-ac wooded parkland, with 140 Ft of deeded waterfront and riparian rights, a private sandy beach, and dock with a covered boat lift. The original residence has been thoughtfully renovated and complemented by a two-story extension, offering expansive living spaces with ample room for indoor and outdoor entertaining. The home features 5300+ Fin SF on three levels, a 2-car garage and large garden shed. The waterside boasts great outdoor space with a deck spanning the entire length of the main level and balconies off the library and primary suite. Enjoy professionally landscaped grounds, mature plantings & shade trees, landscape lighting and irrigation system throughout. The front entry features ample parking for 10+ cars, a stone walkway, new composite shake siding, and a redesigned portico. The main floor boasts an open layout with seamless connectivity, complemented by quality finishes throughout. It includes crown and chair moldings, recessed lighting, and new solid hardwood natural hand scraped Hickory floors spanning the main living areas. The foyer leads to a casual living Rm with fireplace, separate dining Rm and combination family-library-home office with refinished hardwoods, fireplace, and custom built-ins, all with river views. Flowing seamlessly to the riverside breakfast room and adjoining kitchen, featuring a large island, granite countertops and stainless appliances, and connecting walk-in pantry/mud room leading the garage and rear deck. The upper lvl boasts 3 BR's & 2 FBA's. The spacious primary suite features a private sitting room with two walk-in cedar closets, and a riverfront balcony. The bedroom boasts floor to ceiling windows overlooking the river, high ceilings with cove lighting and a spiral back staircase accessing all three levels. The in-suite fully renovated primary bath displays luxury finishes with a claw foot soaking tub, oversized walk-in shower, and dual vanity's with distinctive granite counters. The walkout lower level with brand new carpeting throughout includes a large family Rm with fireplace, plenty of space for gaming tables, home gym, the 4th riverside bedroom and sitting Rm, and hall full bath. This level includes a spacious laundry Rm and storage areas. The special highlight of this home is the 1600 sf riverfront solarium with its expansive walls of sliding doors and glass roof. Offering 180? water views, this sun-drenched space offers incredible opportunities for large gathering entertainment, a multitude of unique living spaces from full scale home gym, large game room or just a relaxing sunroom. Discover the bonus of a hidden surprise, below the flooring reveals a partially finished indoor pool with a lap lane, available for completion by the next homeowner. The adjoining bath is well suited for a pool bath. Mason Neck is a nature lover's paradise and boaters delight with access to a community dock and several nearby marinas. Neighborhood Amenities: HOA Dues $400. Annually, include a secure waterfront 7-acre park & beach with pavilion, grilling stations, volleyball, boat launch & pier, tennis-basketball courts, and tot-lot. Mason Neck is surrounded by thousands of acres of parkland & sanctuaries, 27 miles to DC, 30 mins to Old Town Alexandria, and 6 miles to Ft. Belvoir. Nearby VRE Station, EZ I395 access, nearby bike & hiking trails, Pohick Bay golf course, camping, & riding stables all within minutes. Drone video in tours!!