What Was The Staten Island Ferry Doing On The East River Passing Roosevelt Island and East Side of Manhattan?
One of the pleasures of living on Roosevelt Island is the chance to see all kinds of boats traveling up and down the East River in the West Channel between Manhattan and Roosevelt Island. We often see barge, tug, tour, motor and sail boats of all sizes, Coast Guard, NYPD, FDNY Boats as well as speed boats, kayaks and jet skis.
What we don't usually see but I did see on Saturday afternoon while walking on Roosevelt Island's West Waterfront Promenade was the Staten Island Ferry making it's way north on the East River passing Roosevelt Island.

The Staten Island Ferry also appeared to have a Coast Guard boat as an escort.

Can someone explain to me why the Staten Island Ferry went apparently all the way up, and then back down, the east river today?

... carried about 3,400 guests on the Marine and Aviation Anchor Club's 35th Boat Ride for God's Exceptional Children. ...That's the answer. A good cause and I am happy to learn that the Ferry was not trying to escape from Staten Island.
...The party people included those with muscular dystrophy, cerebral palsy, mental retardation and autism, plus nursing home residents who rarely take in the cityscape offered by a Staten Island Ferry ride. Many of the participants live in community residences or group homes....
... As in previous years, the 2009 ride included a salute from the city Fire Department's Marine 9. But yesterday's sail deviated from the cruise's usual route. This trip took passengers up the East River to Execution Rocks Lighthouse in the Long Island Sound instead of to the George Washington Bridge....