PHOENIX — Spring is just around the corner and that means a big thing in the Valley.

Two words: Water parks.

Arizona biggest water parks are scheduled to open in the spring, with the state's largest one opening even sooner than that.

Six Flags Hurricane Harbor

The formerly named Wet ‘n’ Wild Phoenix and Arizona’s largest water park opens Saturday, March 16. The park will be open for spring break from March 16 to 24.

Following spring break, the park will be open for weekends in March, April and May before opening for seven days a week starting on May 18.

RELATED: Wet 'n' Wild rebranding as Six Flags Hurricane Harbor ahead of March opening

According to a release from the park, guests can earn $10 off main gate admission during opening week by donating at least two packages of needed school supplies.

The items include: package of ballpoint pens, package of colored pencils, package of glue sticks, package of markers, package of No. 2 pencils, pencil sharpener, pencil top erasers, ruler, two-pocket folders, blunt scissors, 24-pack of crayons, look filler paper (both college and wide ruled), spiral notebooks (both college and wide ruled), calculators, highlighters, index cards, mechanical pencils, tabbed notebook dividers, three-ring binder, pencil boxes, backpacks.

2019 memberships and season passes are currently on sale.

Big Surf Arizona

2019 marks the 50th Anniversary season for Big Surf which, according to its Instagram page, has been "making waves since 1969."

The park opens May 4, and season passes are on sale now.

Golfland Sunsplash

This Arizona water park is already open... sort of.

The Golfland part with the arcade, miniature golf, laser tag, bumper cars and pizza kitchen are up and running and open at 11 a.m. on most days. Sometimes they open even earlier at 10 a.m.

The race cars and bumper boats usually open at a later time.

The castle water slides are also open and start at noon on most days.

The full park opens on May 18 and season passes are on sale.