The site can be reached from two major Long Island highways.Most visitors to Sagamore Hill prefer to drive, whether they take their own vehicles or rent one.

For GPS navigation devices use this address: 12 Sagamore Hill Road, Oyster Bay, NY 11771, which is the Visitor Center located at the entrance of the park.

The site can be reached from two major Long Island highways.

Take either the Northern State Parkway to Exit 35N or the Long Island Expressway (I-495) to Exit 41N. At those exits, take Route 106 North for 4 miles. Turn right/east on Route 25A and travel 2.5 miles. At the third traffic light, turn left/northwest and take Cove Road for 1.7 miles. Turn right/north and take Cove Neck Road 1.5 miles to Sagamore Hill.

The Southern State Parkway connects to NSP/LIE via the Wantaugh/Meadowbrook Parkways, or the Seaford/Oyster Bay Expressway. Take Southern State Exit 28AN to Route 135 North (Seaford/Oyster Bay Expressway) for 10 miles to Exit 14E (Woodbury) and Route 25 (Jericho Turnpike). Turn right/east, travel to the third traffic light. Turn left on South Woods Road, traveling 1.6 miles to its end and turn right on to Cold Spring Road. Travel 1 mile to Route 25A intersection. Turn left on Route 25A and travel 0.7 miles downhill to the Cove Road stoplight. Turn right on Cove Road for 1.7 miles to Cove Neck Road. Turn right on Cove Neck Road and follow the signs for 1.5 miles to Sagamore Hill.