Team Chessie Paddle Boats and Electric Boats is a great way to explore Inner Harbor by water. The company offers rentals by the half-hour and hour for their "Nessie" style paddle boat, classic-style paddle boat and you can rent one of the electric boats if you don't feel like paddling.
They do have a few rules & guidelines that you must adhere to. All kids under the age of 12 must be accompanied by an adult. Children must be at least 2 years of age...no kid's under the age of 2 are permitted. All boat renters MUST wear a life jacket, no exceptions.
You can learn more about Chessie Paddle Boats and Electric Boats at Inner Harbor in Baltimore Maryland by visiting their site online.