Astondoa 66 GLX Yacht Search Stock & Used Yachts The 66 is a flybridge boat from Astondoa. The 66 is constructed from GRP with a hull design. Read More Specs Length 20.35m Materials GRP Hull & Superstructure Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 20.35m Hull GRP Superstructure GRP Show Full Specs Hide Full Specs