Post Office
- Stony Brook Post Office 129 Main St Stony Brook, NY
- East Setauket Post Office 450 Route 25a East Setauket, NY
- Setauket Post Office 101 Main St Setauket, NY
- Saint James Post Office 325 Lake Ave Saint James, NY
- Port Jefferson Post Office 407 E Main St Ste 17 Port Jefferson, NY