Investigators say no weapons were displayed during the robbery, and it is unknown how much money was stolen.
There is only a vague description of the suspect.
Police say the bicycle that was believed to be used by the suspect was later recovered a short distance from the bank.
The suspect in this robbery is believed to be involved with six other robberies in the New Jersey and Delaware areas.
The FBI and the State Police are involved in the investigation.
Anyone with information about the bank robberies should contact the FBI at (609)677-6400 or the Ocean City Police Detective Bureau at (609)399-9111.