Welcome to Castellon, at Serrano Summit. Nestled among resort-style amenities in a quiet corner of Lake Forest, don't miss the largest floorplan offered since the community's construction in 2021. Experience contemporary luxury in an expansive home, upgraded with hand-selected designer finishes throughout, and enjoy the Orange County weather in a newly installed private spa, surrounded by lush greenery and masterful landscaping. Featuring four bright bedrooms and five bathrooms, the coveted Plan 4 boasts a full main level in-law suite with its own private bath. Each bedroom features its own connected bathroom and walk-in closet, while a spacious loft provides the perfect flexible space for a media room or play area. Entertain guests in an open kitchen, appointed with a bespoke stainless steel backsplash and upgraded with a full suite of luxury appliances. A spacious island offers a comfortable place for casual meals, all with a view of the sparkling spa and newly installed landscaping and built-in barbecue. The expansive third floor bonus room is ready to be transformed into a secluded office, private gym, or entertainment room, complete with its own oversized-covered patio with sweeping views. From luxury vinyl flooring to dual pane, sliding triple doors, no detail has been overlooked. Castellon features Lennar's Wi-Fi Certified Home Design for maximum reliability and commercial-grade wireless coverage, while solar panels maximize energy efficiency. A 220 volt outlet provides a convenient garage charging-station. Only steps away from your door, the Summit Club boasts a 3,688 sq ft pool, with a sloped beach entry and a 12-jet hydro-therapy heated spa. Enjoy cabanas, BBQ's, playgrounds, fire pits, pickleball courts and more. Minutes away from prime shopping and dining at the Irvine Spectrum, Fashion Island, and South Coast Plaza. Enjoy the best Orange County has to offer.