Y/Knot Invest S.A., together with its subsidiaries, engages in the professional sea tourism, tourist ports management, and real estate businesses. It offers yacht chartering services, flotillas, bareboat chartering services, crew chartering services, etc. The company also sells yachts, as well as provides parking station for vehicles. As of December 31, 2022, it operated through a fleet of approximately 392 yachts. The company operates in Italy, Croatia, France, Malta, Spain, the Caribbean, and internationally. The company was formerly known as Kiriacoulis Mediterranean Cruises Shipping SA and change its name to Y/Knot Invest S.A. on November 2025. Y/Knot Invest S.A. was founded in 1980 and is headquartered in Athens, Greece.