Bli Bli is easy to reach by public transport. Either when you are staying in Maroochydore or Noosa, from both towns buses takes you near the watersports park. For details about bus transport check out the the following links.
When you are staying in Maroochydore: Queensland bus from maroochydore
or if you are staying in Noosa: Queensland bus from Noosa
The Park is open every weekend and school holidays from 10am-5pm.