From East Hampton/Bridgehampton/Hampton Bays
- Take State Rte 27 W/Montauk Hwy/POW/MIA Memorial Highway W to NY-27 W/Southampton Bypass
- Follow NY-27 W to County Rd 111 in Eastport. Take exit 62 from NY-27 W
- Merge onto I-495W
- Follow I-495 W to N Service Rd in Melville. Take exit 48
- Turn left onto Old Country Rd/Round Swamp Road
- Turn left at 1st cross street onto S Service Road
- Parking Lot/Building will be on the right
From Lower East NY via I-27 W. of Westhampton Beach
- Merge onto NY-27
- Continue on NY-27 W to South State Pkwy, Sagtikos Pkwy and I-495 W
- Merge onto I-495W
- Follow I-495 W to N Service Rd in Melville. Take exit 48
- Turn left onto Old Country Rd/Round Swamp Road
- Turn left at 1st cross street onto S Service Road
- Parking Lot/Building will be on the right
From Riverhead/Calverton/Medford/Holbrook/Long Island/Brentwood
- Merge onto I-495 W
- Follow I-495 W to N Service Rd in Melville. Take exit 48
- Turn left onto Old Country Rd/Round Swamp Road
- Turn left at 1st cross street onto S Service Road
- Parking Lot/Building will be on the right
- From Baiting Hollow/Wading River via I-495 W
- Take County Rd 46 S/William Floyd Pkwy to I495 W
- Merge onto I-495 W
- Follow I-495 W to N Service Rd in Melville. Take exit 48
- Turn left onto Old Country Rd/Round Swamp Road
- Turn left at 1st cross street onto S Service Road
- Parking Lot/Building will be on the right
From Stony Brook
- Follow County Rte 68 to N Country Road
- Merge onto I-495 W
- Follow I-495 W to N Service Rd in Melville. Take exit 48
- Turn left onto Old Country Rd/Round Swamp Road
- Turn left at 1st cross street onto S Service Road
- Parking Lot/Building will be on the right