Wayfinder is a luxury supply yacht or auxiliary boat, of a type often referred as a supply vessel, shadow cat, shadow boat or support yacht; ultimately, it is a yacht tender. Its task is to supply a pleasure yacht. A catamaran, its length is 68 metres, with a beam of 14 metres. Its main function is to provide its mothership with fossil fuel, foodstores, parts, and maintenance employees. Its fuel capacity is 200,000 litres, equivalent to 52,834 US gallons. In 2021, it sailed under the flag of the Cayman Islands.