200 Harbor Cir Set on 1.21 serene, landscaped acres rich with local wildlife, this exceptional 3, 182 sq. ft. estate offers 4 bedrooms and 3 bathrooms. The immaculate 2, 617 sq. ft., 3-bedroom, 2-bathroom main residence features zero carpet, showcasing stunning tile and natural Pergo flooring throughout. Enjoy a formal living room, dining area, and a sunroom. The chef's kitchen features Italian granite countertops, a snack bar, an eat-in area, and an expansive bonus office just off the kitchen, plus a large laundry room with all appliances, washer, and dryer included. Relax by the dual-view fireplace or retreat to the oversized primary suite, complete with a massive sitting area, renovated bathrooms, and three closets, including a large walk-in. Storage and workspace abound with abundant closet space, an oversized 2-car garage with built-in cabinets and a workstation, an attached carport, a 12' x 10' (120 sq. ft.) storage shed, and an 8' x 10' metal shed for lawn equipment. Beyond the main house, a large workshop with a separate entrance, electric, window AC, and extra storage offers endless potential as a home gym or in-law suite. Adding tremendous value is a turnkey, 565 sq. ft., 1-bedroom, 1-bathroom guest house generating $12, 000 in annual Airbnb income. Completely plug-and-play, it includes full plumbing, split AC/heat, a combo washer/dryer, a private fenced patio, and an equipped kitchenette-conveying furnished down to the dishes, coffee maker, air fryer oven, toaster oven, and microwave for effortless hosting or immediate revenue. Major updates include a 2021 roof, 2024 HVAC, and a new 2, 000-gallon septic tank installed in August 2026 with a 2-year transferable service agreement. Located off Williams Drive with only a voluntary HOA, this gem sits minutes from Lake Georgetown, downtown dining and shopping, and quick commuter access to I-35, Hwy 29, and Austin.