Welcome to this exceptional custom estate for rent in the heart of St. James Proper, where generous living space, thoughtful details, and beautifully maintained grounds create a warm and comfortable setting. Set on one landscaped acre, this 4-bedroom, 2-full-bath home makes a memorable first impression with a covered front porch, Victorian-inspired exterior, and dramatic double-height entry foyer. The spacious kitchen and dining area are ideal for everyday meals and gatherings, while the family room with a gas-burning fireplace, media room with theater seating, private den/home office, hardwood floors, built-ins, elegant moldings, French doors, and custom millwork add character and flexibility throughout. The primary ensuite offers a peaceful retreat with two walk-in closets, a propane fireplace, private balcony, and custom bath with shower, whirlpool tub, and more. Three additional bedrooms and a brand-new full bath complete the second floor. The finished basement expands the living space with 9-foot ceilings, custom millwork, an outside entrance, custom bar, office, full bath, movie theater, and flexible areas for work, recreation, or entertaining. Outdoors, enjoy a private setting designed for relaxed living, including a double-height paver patio, outdoor kitchen, rear awning, fenced side lawn, and multiple deck areas. Please note that landscaping is included; however, the garage, utilities, and snow removal are not included with the rental. The location offers everyday convenience near schools, parks, libraries, recreation, shopping, dining, and major roadways, with nearby GreatSchools-rated options including Mills Pond Elementary School, Saint James Elementary School, and Smithtown High School East. This rare rental opportunity combines warmth, space, privacy, and premium amenities in a desirable St. James location.