Starting from the Hotel Lago Grey dock, catamaran Grey III takes in Glacier Grey up close on a three-hour round-trip with pisco on millennial ice. Hikers also use it to shortcut to the Circuit/'W' trails. It takes one hour to reach Refugio Grey, and two hours on the leg, which includes up-close glacier viewing. With four daily high-season departures.

Shoulder season departures require a minimum of passengers. Check-in is one hour before departure.