The best catamaran adventure in Manuel Antonio, Costa Rica. The Ocean King Catamaran is 100 feet long, it’s brand new and has all the amenities to ensure your satisfaction. Ocean King is the biggest, the safest, and the most fun catamaran, so come and enjoy with us!! Please keep in mind: Ocean King 100ft. Catamaran boat is under maintenance (oct20-Nov2). Right now we are operating: Magic Ocean 40 ft. catamaran boat!