Guests of Residence Inn by Marriott Long Island Holtsville have access to an indoor pool, a gym, and free WiFi in public areas. If you drive, self parking is USD 12.00 per day, and there's also limo/town car service. The 24-hour front desk has staff standing by to help with securing valuables and dry cleaning/laundry. Additional amenities include a 24-hour business center, coffee/tea in a common area, and express check-out.