Arrival fees have been discounted from midday to the evening throughout the month of January.
Parents and children can travel to Rottnest for discounted prices this school holidays with fees being waived and reduced from January 1 to 31.
Rotto from Day to Dusk will see adults pay half price admission fees at $9 while children arriving after midday will do so for free, saving families of four $31.
The commencement of a third ferry provider and new timetabling means visitors can stay later on the island, with the last ferry departing at 8pm.
To encourage families and visitors to stay later in the evening, the Settlement Mall will also be transformed into a lively space on Saturday nights including picnic tables and live music.
The discount is extended to visitors landing in the reserve after midday by ferry, chartered boats and the general boating community on day trips.
Tourism Minister Paul Papalia said there are now more ferry seats and travel times available to Rottnest than ever before.
"Recent value for money initiatives by ferry providers, island businesses and the State Government have already seen a 29 per cent increase in ferry travel to the island in November compared with the same period last year," he said.
Big Rotto announcement today
— Paul Papalia CSC MLA (@papsMLA) December 13, 2017
For the entire month of January (from midday) kids landing fees are waived and adults are half price. That’s a $31 dollar saving for a family of four!
And that’s on top of the 50% drop in ferry fare since we approved the third ferry service #quokka pic.twitter.com/j1q0gh6XAf