Information for visitors to Sanford Lake Park on Saturday June 23, 2018. Sanford Lake Park hours will be adjusted to accomodate the TriToFinish Triathlon. The park will open at 6:00 a.m., however, the boat launch will be closed to boat traffic between 8:00 and 9:30 a.m., or until the last swimmer is out of the water. Thank you for your patience as we continue to bring fun and exciting events to the Midland County Parks.