The regular season began on May 11, 2023, when the Florence Y'alls were hosting the Gateway Grizzlies at Thomas More Stadium.
The playoffs concluded on September 17, with the Québec Capitales defeating the Evansville Otters in the finals in five games, winning their second consecutive championship and 9th in franchise history.
[1] A team making full use of the U23 salary rule could reach a compensation maximum of $425,000.
Sussex County earned the second wild-card spot in the East Division because of a 7-2 head-to-head record against Tri-City.
The championship series was a best-of-five format, with the team advancing with the best regular-season record hosting games 3, 4 and 5 (if necessary).