SALES OFFICE OPENS SATURDAY! Seneca at The Lakes offers lakeside homesites and six all new spacious floor plans within the master-planned community of Rancho El Dorado in Maricopa. Ranging in size from 1,647 to 3,453 square feet, the homes at Seneca at The Lakes include three to five bedrooms, two to four-and-a-half baths and a two- to three-car garage. Five architectural elevations-Spanish, Farmhouse, Ranch, Cottage and Craftsman, and optional upgrades such as a den, loft, bonus room and game room, allow each buyer to customize their home to fit their unique, personal taste.