Chinese junk boat (Polygon mesh 3D model) is available on CGTrader for $40. Original author: aceimagedesign-1. Specs: 142532 polys, 154040 verts.
STL (Stereolithography, filesize: 6.41 MB), OBJ (OBJ, filesize: 2.72 MB), FBX (Autodesk FBX, filesize: 6.41 MB), MAX (Autodesk 3ds Max, filesize: 17.2 MB)