The Martin County Parks & Recreation Department will be hosting a preschool baseball program for ages 3, 4 and 5 at Halpatiokee Regional Park, Field A. This is an instructional program, not a league. This six-week program is held from 5:30-6:30 p.m. on Wednesdays, starting on April 30. Cost is $80 for residents and $90 for non-residents.