The 2018 Puerto Vallarta Open was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Puerto Vallarta, Mexico between 30 April and 5 May.
Singles main-draw entrants
Seeds
1 Rankings are as of 23 April 2018.
Other entrants
The following players received wildcards into the singles main draw: Tigre Hank Gerardo López Villaseñor Manuel Sánchez Marcelo Sepúlveda
The following players received entry into the singles main draw using protected rankings: Nicolás Barrientos Alejandro Gómez
The following player received entry into the singles main draw as an alternate: Brydan Klein
The following players received entry from the qualifying draw: Viktor Durasovic Felipe Mantilla Luis David Martínez Evan Song
Champions
Singles
Adrián Menéndez Maceiras def. Danilo Petrović 1–6, 7–5, 6–3.
Doubles
Ante Pavić / Danilo Petrović def. Benjamin Lock / Fernando Romboli 6–7(2–7), 6–4, [10–5].