The Bradenton Explorers were one of the eight original franchises that began play in the Senior Professional Baseball Association in 1989.

That season, the club compiled a record of 38-34, finishing in second place in the league's Northern Division, narrowly holding off the Orlando Juice.

Jim Morrison led the league with 17 home runs, and pitcher Rick Lysander added a league-high 11 saves.

In the playoffs, the Explorers lost to the St. Petersburg Pelicans, who went on to become league champions.

[1] In Daytona the team had an 11-11 record and were in 4th place when the Senior Professional Baseball Association ceased operations on December 28, 1990.