According to the main Disney site a ticket is 62 plus tax (57 with blackout dates)
https://disneyworld.disney.go.com/tickets/water-parks/
then acording to the member site, you can buy a one day ticket for 45.
(copy and paste from the member site)
Walt Disney World Water Parks: Just $45 Plus Tax for a 1-Day Ticket
Location: Walt Disney World Resort in Florida
Benefit Type: Tickets & Tours
Have fun in the sun at
Disney's Typhoon Lagoon water park and
Disney's Blizzard Beach water park with this special offer for Disney Vacation Club Members!
Members can purchase a 1-Day Water Park Ticket for just $45 plus tax per person.
How to Purchase
Want to take advantage of this special offer? Water park tickets can be purchased at the following locations at Walt Disney World Resort:
- Disney Vacation Club Resorts: Visit the lobby Concierge
- Water Parks: Visit the ticket booth at the park entrance
You must present a valid Disney Vacation Club Membership Card along with a corresponding valid photo ID at the time of purchase.
Important Information
- Water park admission price is based on single-day admission per person to both water parks.