When cruising with Rockport Cruises you’ll experience the benefits of smaller tour groups – shorter wait times, faster check-in at the castle, and a closer view of the islands!  Our 4 hour cruise includes a 2.5 hour stop at Boldt Castle. Cruise past Zavikon Island (the world’s shortest International bridge), opulent Millionaire’s Row, the St. … Continue reading 4 Hour Boldt Castle Tour