For Detailed directions go here to goggle maps and choose directions from your location to here:
http://maps.google.com/maps?f=q&sour...h&z=16&iwloc=A
Directions from RT 128 Waltham / Interstate 95
1. Head north on I-95 N toward Exit 27A - 26.6 mi
2. Take exit 50 to merge onto Newbury St/US-1 toward Topsfield - 0.4 mi
3. Slight right to stay on Newbury St/US-1 (signs for US-1/Topsfield) Continue to follow US-1 - 14.0 mi
4. Turn right at Hanover St - 1.1 mi
5. Continue on Rolfes Ln - 0.4 mi
6. Continue on Ocean Ave - 0.2 mi
7. Turn right at Plum Island Turnpike Destination will be on the right - 1.4 mi
80 Plum Island Turnpike - Parking Lot to Right just before bridge