Industry’s Most Efficient Monohull Support Yacht Is Here, Designed by Shadowcat for Comfort & Luxury Eco-Friendly Concept Emphasizes Accommodation and Adventure. Shadowcat, the leading developer of catamaran support yachts, announces today that it has expanded its portfolio to include a fully bespoke monohull shadow vessel. The new concept, Shadowolf, is Shadowcat’s first single-hulled support...