There are many different names that one could use as a synonym for the phrase "pirate adventure park". Some possible options might include nautical theme park, swashbuckler's playground, sailor's paradise, and seafarer's haven. Other ideas might include phrases such as treasure hunter's park, oceanic adventureland, or maritime wonderworld. Regardless of what name you choose, the important thing is to convey the sense of excitement, adventure, and exploration that typically come along with the idea of a pirate-themed amusement park. With the right name and branding, such a park can be a huge hit among both adults and children alike.