What Is Sportfishing in Puerto Vallarta? Sportfishing in Puerto Vallarta  is a world-class fishing experience that offers deep-sea and inshore fishing in the Pacific Ocean. Known for its rich marine biodiversity, Puerto Vallarta attracts anglers from around the world to catch species like marlin, sailfish, tuna, mahi-mahi, roosterfish, and snapper . Quick Answer: Sportfishing in Puerto Vallarta involves guided fishing trips in the Pacific Ocean where anglers target big game a