We always get asked where the best land and sea excursions on the Cape and Islands are, so we decided to put together a list of some of our favorites! Did we miss any? Leave a comment below! Hyannis Whale Watcher Cruises (Barnstable) - since 1980, Hyannis Whale Watch Cruises have been operating out of Barnstable Harbor from their 130-foot long vessel. The design of the boat protects all whales and marine life due to there being no external propellers. There are three viewing levels with two…