Please review immigration requirements at this link. Generally you must have a valid passport with at least 45 days of validity on it. If you needed a Visa (MRV) to travel to the US, Europe or Canada on your way to Bermuda then you don’t need anything else. For the full details click below.
The following Airlines have great service out of the US, Canada and Europe.
Bermuda is a very small island and has good Taxi and Bus services. Scooter type mopeds can of course be hired.