At Marriott Melville Long Island, guests have access to a gym, WiFi in public areas, and meeting rooms. Onsite parking is available, both free self and paid valet parking (USD 8.00 per day)—also useful is limo/town car service. The 24-hour front desk has multilingual staff ready to assist with securing valuables, concierge services, and luggage storage. Additional amenities include conference space, a 24-hour business center, and a computer station.