Games like One Piece: Starboard

If you finished One Piece: Starboard, the closest matches are The Legend of Heroes: Trails Beyond the Horizon, SaGa: Emerald Beyond, Zaos, Sword Art Online: Alicization Lycoris and Chou Mashin Eiyuuden Wataru: Another Step. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.