Welcome to 4466 Rock Island Dr., a stunning 4 bedroom, 3 bath residence nestled on a sprawling lot in the Montclair neighborhood of Antioch. Step through the front door, into a large living and dining area with high ceilings, bathed in natural light. Venture further to discover a kitchen with generous cabinetry and modern stainless appliances. Adjacent to the kitchen, a cheery breakfast nook and spacious great room await, complete with a brick fireplace. Sliding doors open to a backyard revealing private patios, mature trees, and a gated pool/spa area. Back inside, a generously sized bedroom/office allows for flexible space. Upstairs, three additional bedrooms await, including a primary en suite with garden views, dual vanities, a walk-in shower, and an ample walk-in closet. Two more well-proportioned bedrooms share a full hall bath with a tub-shower combination. A three-car garage adds convenience. Close proximity to the Delta, Bart, trails, shopping, freeways, and schools.