Shelburne is a sea barge designied for longer journeys on the open ocean. He sometimes requires two tugs to move. He has a very slow and sluggish nature witch is epitomized by his slow speech. Shelburne is often seen helping the tugs raise items out of the ocean with his hook or specail trege. He is also part of the, The Oceanic Institute with Rebecca, Theodore, and Northumberland where they find old sunken ship parts,bells,oil barrels and is sometimes brought to help rescue Northumberland or Pugwash if they are in trouble. Shelburne is a really useful crane barge, used greatly for maintance and rescue operations around the Big Harbor.