Niagara County

Lake Ontario (Lake America) Youngstown, NY

Youngstown sits on the lower Niagara River, several miles upstream of where the river enters Lake Ontario. Its marina cluster is on the river rather than the open lakeshore, which is why no lake marina is listed for it here.

Source: research/poi.notes.md (Youngstown's marinas sit on the Niagara River, several miles up from the lake, and were excluded from the lake marina data set)