Typical round-trip: 5 days (2.5 days each way). Most cruises depart Charleston, spend 1–2 days in Bermuda, return.
5–7 days one-way for average cruising boat (35–45 ft) in good conditions.
Commercial ferry: None. Cargo ship: Rare, no passenger service.
Check cruise lines (Carnival, Royal Caribbean, Norwegian) for seasonal schedules.