Does the volleyball court have lights for when it gets dark?

Yes but only if you pay for time; the lights aren't on otherwise.

Yes but likely only if you rent the court. The sand volleyball court at Vago Park is available to rent. The reservation fees are listed below and are refundable only if cancellation is received at least 14 days in advance.  $20/two hours (no lights) $30/two hours (with lights) http://www.marylandheights.com/departments/parks-and-recreation/city-parks/vago-park