Aquijo is the world’s largest ketch, a type of sailing yacht with two masts that are set further aft than on a schooner. The yacht was built by Oceanco, Netherlands in 2016. United States-based Tripp Design Naval Architects designed the exterior of Aquijo, with interior design by Dölker + Voges GmbH.

Aquijo is 86 meters long and has a beam of 14 meters. She is powered by twin Caterpillar engines and has a top speed of 20 knots. Aquijo can accommodate up to 12 guests and a crew of 14.
Here are some of the notable features of Aquijo:
- Her twin 90-meter masts carry identical 1,192-square-meter mainsails.
- Aquijo is equipped with a sophisticated stabilization system that ensures a smooth ride even in rough seas.
- The hull is built out of steel while the superstructure is made out of aluminium with teak laid decks.
- The yacht has a large beach club with a swimming pool, Jacuzzi, and sunbathing areas.
- Aquijo also has a gym and a cinema.
According to the Internet