Welcome to an exquisite, turnkey estate property in the exclusive neighborhood of Castellina, part of THE RETREAT. This home is replete with panoramic views front and back, setting a breathtaking stage for a luxurious lifestyle. Within this spacious residence, you'll discover a master retreat that features a private balcony, an idyllic spot to enjoy the unparalleled views of Corona. The versatile layout includes a bedroom with a full bath on the ground floor, complemented by four additional bedrooms on the upper level, making a total of 4.5 baths. Enhancing the living space, you'll find a generously-sized bonus room and a den, along with a gourmet kitchen outfitted for a culinary enthusiast. The property also offers the convenience of a secure, 3-car garage in this guard-gated community. Situated just a short distance from the Dos Lagos Shopping Center, and a mere few minutes from the freeway, this estate offers both privacy and easy access to local amenities. Please note, this is a no-pets residence. Don't miss the opportunity to discover this true gem nestled in one of Corona's premier luxury communities.