As reported May 2019:

Roosevelt Island may get ferry service to the Upper East Side under a proposed expanded NYC Ferry Astoria Route by Hallets Point real estate developer Durst Organization….

Yesterday, the NYC Economic Development Corp (EDC) announced that the NYC Ferry Astoria Route will be extended to East 90th street

Screenshot Image From NYC Ferry starting this Saturday, August 22.

Screenshot Image From NYC Ferry Take this virtual Roosevelt Island to Astoria ferry trip

and in another 4 minutes you’ll be on the Upper East Side. This will probably mean more Upper East Side crowds on the Ferry coming to and from Roosevelt Island as well as more visitors to Roosevelt Island.