Okay...made the effort to go today after work...
the shop is called
Half-Tix
Melbourne Town Hall
Entrance off Swanston Street
Opening Hours:
Mon 10am-2pm
Tue-Thur 11am-6pm
Fri 11am-6.30pm
Sat 10am-4pm
Sun Closed
As mentioned, tickets for trips have to be bought the day before in order for the price to be 50% off!
There are 3 different Philip Island trips:
1. Penguins Direct
Discounted Price A$47.50+ per person
Departs 3.15pm or 5.30pm (Seasonal) Returns 9.00pm - 11.30pm (Seasonal)
Admission to Penguin Parade only
2. Penguin Parade
Discounted Price A$55.50+ per person
Departs 1.30pm Returns 9.00pm - 11.30pm (Seasonal)
Admission includes Penguin Parade and Koala Conservation Centre
3. Penguin Deluxe
Discounted Price A$77.50+ per person
Departs 8.30am Returns 9.00pm - 11.30pm (Seasonal)
Admission to Puffing Billy Steam Train, National Park fees, Admission to Warrook Farm, Koala Conservation Centre, Penguin Parade
Note: There is also an additional A$7-A$8 charge per person I think (can't really remember). Do give them a call if you have any doubts.
Also, if you want pricing for anything else, let me know...the brochure is here