Northern Watersnake
Nerodia sipedon · Also known as: water snake, bandeds water snake
Marsh and pond snake. NPS lists northern water snakes in Assateague salt marshes and freshwater/brackish ponds.
Quick facts
| Group | Snake |
|---|---|
| Likelihood nearby | ★★★☆☆ |
| Habitats | Salt marsh, Freshwater ponds, Coastal bays, Assateague State Park, Assateague National Seashore |
| Seasons (this coast) | spring, summer, fall |
How to recognize them
- Heavy-bodied; banded or blotched pattern that darkens with age; keeled scales.
- Often basks on marsh vegetation overhanging water.
Biology notes
- Non-venomous fish and amphibian predator; may musk if handled.
- Frequently misidentified as cottonmouths—cottonmouths are not Assateague residents.
Where to see them around Ocean City
- Assateague marsh edges and pond margins.
- Kayak routes along quiet bay guts.
When to look
- Sunny warm days from spring through fall.
Viewing tips & etiquette
- Watch from a distance; water snakes flee when given an exit path.













