1999 21′ Crownline Cabin Cruiser with Trailer Posted on November 1, 2017 by Hailey Asking $10,500.00 21′ Crownline Cruiser with 250 Volvo and Trailer. Kept under covered slip at Watauga Lakeshore Marina. Everything on boat included in sale! Call 423-725-2223 EXT 307 for more information. Posted in Boats for Sale, Cruisers, Runabouts.