THE OLD LYME LAND BRIEF
Land in the
Long Island Sound Coastal Lowland setting.
Old Lyme town has 23 square miles of land in Lower Connecticut River Valley Planning Region. Its Census reference point is in Long Island Sound Coastal Lowland, within Northeastern Coastal Zone.
Irregular plains and low hills form a coastal transition with glacial lakes and oak-pine woodland. This northeastern landscape is gentler than the mountainous country farther inland.
Regional context: Northeastern Coastal Zone ↗ · Classification at the Census reference point
Old Lyme and Lower Connecticut River Valley Planning Region
Old Lyme is associated with Lower Connecticut River Valley Planning Region in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Old Lyme by land and water
The Census records 5.81 square miles of water within Old Lyme, or 20.1% of its total area. It is 2.2 percentage points higher than the 18% recorded for Lower Connecticut River Valley Planning Region. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Old Lyme town has 11.7 times the land area of nearby Old Saybrook Center CDP (1.97 square miles). These areas describe boundaries, not comparable property prices.