Location. Residence Inn Marriott Langhorne is a business-friendly hotel located in Langhorne and local attractions include Planetarium at New Jersey State Museum, New Jersey State Library, and New Jersey State House. Other area points of interest include Trenton War Memorial Theater. Hotel Features. Recreational amenities include an indoor pool, a spa tub, and a fitness facility. This 3-star property has a business center. Complimentary wireless and wired high-speed Internet access is available in public areas. The hotel serves a complimentary breakfast. Guests can enjoy a complimentary evening reception. Guest parking is complimentary. Additional property amenities include a library and laundry facilities. This is a smoke-free property. Guestrooms. Air-conditioned guestrooms at Residence Inn Marriott Langhorne feature fireplaces and coffee/tea makers. Furnishings include desks and ergonomic chairs. At this 3. 0-star hotel, accommodations include kitchens or kitchenettes with stovetops, microwaves, refrigerators, and dishwashers. Wired high-speed and wireless Internet access is complimentary. In addition to complimentary newspapers, guestrooms offer phones. Flat-panel televisions have cable channels. Also included are hair dryers and irons/ironing boards. Guestrooms are all non-smoking. .