HIGH-FLYING freestyle BMX rider Jack Fahey will be carving up the ramps at Hervey Bay's new indoor skate park on Saturday.

The 20-year-old former Bundy boy, who is sponsored by Mongoose International, will be doing demonstrations at the official opening of the Rock Off Indoor Park, on Boat Harbour Dr, Pialba.

The $150,000 indoor park has taken months of construction but its creators, Mandy and Dan Maurer, promised it would be open in time for the school holidays.

They have delivered on that ambitious promise.

"The kids are so excited," Ms Maurer said.

"There is just such a buzz around."

Teens and parents alike have been awaiting the park's opening, but the design of the ramps and features of the 1400sq m facility have been kept under wraps.

The Maurers have employed about 15 staff at the park, which is for skateboarding, BMX and scooter riding and features a halfpipe, roll-ins, vert wall, street run, resiramps and foam pit.

On Saturday, the park will be open from 9am to 9pm.

For more details, visit rockoff.net.au.