Welcome to 4801 Cardiff Bay Dr -- a spacious and inviting 5-bedroom, 3-bath home offering 2,428 sq. ft. of well-designed living in The Crest at Whelan Ranch. Set on a generously sized corner lot with beautiful mature landscaping, this home delivers excellent natural light, comfortable indoor-outdoor flow, and a layout that works for a variety of lifestyles. The first floor features a highly desirable bedroom and full bath, perfect for guests, extended family, or a dedicated home office. The kitchen opens seamlessly to the family room, creating a warm gathering space ideal for everyday living and casual entertaining. Large sliders lead to a private backyard with a covered patio, multiple seating areas, and plenty of room to enjoy Oceanside's year-round sunshine. Upstairs, the spacious primary suite includes two walk-in closets, dual sinks, a soaking tub, and a separate shower. Three additional bedrooms and a full bath complete the second level, offering comfortable space for everyone. Additional features include dual-pane windows, a whole-home water softener system and leased solar through Sunrun at approximately $110/month.The three-car garage provides generous storage, and the neighborhood offers convenient access to parks, walking paths, and local amenities, including Camp Pendleton. A great opportunity to own a well-cared-for home in one of Oceanside's most established communities.