Bottlenose dolphins dwell in all the oceans around the globe. They can live from temperate waters to tropical waters of both the Pacific and the Atlantic Oceans.
Their limits are the cold temperatures of the Arctic and Antarctic Oceans where the water temperature is freezing.
Below there is a map that shows the vast region inhabited by Bottlenose dolphins.
This map shows the extense region of the Oceans where the bottlenose dolphins live