Arthur Kill
General data
- Name: Arthur Kill
- Water system: Atlantic Ocean
- Water type: Strait
- Progression: Raritan Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Arthur Kill (sometimes referred to as the Staten Island Sound) is a tidal strait in the New YorkâNew Jersey Harbor Estuary between Staten Island (also known as Richmond County), New York, and Union and Middlesex counties, New Jersey. It is a major navigational channel of the Port of New York and New Jersey.