| 2023 Caribbean Open | |
|---|---|
| Date | 12–18 June |
| Edition | 1st |
| Surface | Hard |
| Location | Palmas del Mar, Puerto Rico |
| Champions | |
| Singles | |
 Kei Nishikori | |
| Doubles | |
 Evan King / Reese Stalder | |
The 2023 Caribbean Open was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Palmas del Mar, Puerto Rico between 12 and 18 June 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE | Wu Tung-lin | 182 | 1 |
| USA | Nicolas Moreno de Alboran | 187 | 2 |
 AUS | Marc Polmans | 194 | 3 |
 FRA | Antoine Escoffier | 202 | 4 |
| AUS | Dane Sweeny | 236 | 5 |
| JPN | Yuta Shimizu | 256 | 6 |
| USA | Mitchell Krueger | 258 | 7 |
 CAN | Alexis Galarneau | 259 | 8 |
The following players received wildcards into the singles main draw:
Alexander Bravo Liam Draxl Kei Nishikori The following players received entry into the singles main draw using protected rankings:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Kei Nishikori def. Michael Zheng 6–2, 7–5. Evan King / Reese Stalder def. Toshihide Matsui / Kaito Uesugi 3–6, 7–5, [11–9].
