Welcome to 515 Windermere Lane! Discover luxury living at its finest in this stunning executive estate, perfectly nestled on a 2.8-acre parcel in the serene community of Arroyo Grande. Boasting a total 7,840 sq ft of living space, this property includes a magnificent 5-bedroom, 7-bath main house spanning 6,640 sq ft, and a 1,200 sq ft 2-bedroom, 2-bath ADU. Upon entering the main house, you are greeted by an open floor plan that seamlessly connects the entry, living room, dining room, and gourmet kitchen. The kitchen is a chef's dream, featuring top-of-the-line appliances, an indoor BBQ, granite countertops, an island, and custom cabinetry. The expansive master ensuite includes a spacious dual walk-in closet, a designer master bathroom, and an additional sitting room. Each additional bedroom is an ensuite with its own designer bathroom. The home also offers a separate family room, office, game room, media room with home theater, exercise room, and a wine cellar that is a wine-lover's dream come true. The fantastic 5-car garage comes with custom cabinetry and flooring, plus an extra 4 garage spaces that are currently housing a golf cart and dune buggy. Additionally, there is a separate 2-car pull-through garage building which is currently being used as a large workshop. Outdoor living is taken to new heights with an outdoor kitchen, fireplace, pizza oven, pool, and pool house complete with living space, bathroom, and kitchen. Relax in the spa, or enjoy the 2 tennis courts, pickle ball courts, basketball court, and numerous sitting areas and patios that surround the outdoor spaces. This property is truly an entertainer's delight or a private retreat. The tastefully decorated ADU has been a profitable vacation rental, featuring an open floor plan with a living room, kitchen, eating area, 2 large bedrooms, 2 baths, and a 2-car garage. The entire property is professionally landscaped with custom hardscape, gorgeous plantings, and a small vineyard. The estate is gated, features solar energy, and offers fabulous panoramic views of the beautiful hillside extending to the California coastline. Located in a rural setting close to the Village of Arroyo Grande, San Luis Obispo, award-winning schools, dining, shopping, and coastal activities ... this one-of-a-kind estate is the perfect property for you to call home!