Jul
28
3:00 PM15:00

Twilight Tuesday

Join us every Tuesday for Twilight Tuesdays from 3 PM – 7 PM. Enjoy discounted admission for just $15.99 per person. Admission is available in person only at Neptune Island on Tuesdays and is valid June 2, 2026 through July 28, 2026.

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Sep
1
10:00 AM10:00

Labor Day Luau

Say aloha to summer at our Labor Day Luau!
The final splash of the season our crew will be dressed in their Hawaiian best. Guests will also receive leis while supplies last! Don’t miss your last chance to enjoy the slides, waves, and all the fun at Neptune Island Waterpark!

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Jul
30
10:00 AM10:00

Back to School Splash

Send the kids back to school with a splash this August! Join us for sun and mermaid fun before the kids head back to school on Thursday. Starting next week, Neptune Island will begin our weekend-only schedule. Once school is back in session, we’ll be open Saturdays and Sundays through Labor Day so don’t miss your chance to soak up the last bit of summer fun!

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Jul
25
10:00 AM10:00

Christmas in July

Join us for a splash of holiday cheer with Summer Santa and our magical mermaids from 10AM to 12PM. Don’t forget to bring your phone to take festive photos, and bring a canned good donation to receive $3 off a general admission ticket. (Limit: 1 discount per ticket, per canned good donation.)

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Jul
7
to Jul 28

Mermaid Mondays

  • Neptune Island Waterpark (map)
  • Google Calendar ICS

Make plans to swim over to Neptune Island Waterpark every Monday in July from 10 am - 12 pm for Mermaid Mondays! Are you a 2025 Season Pass Holder? It gets better! 2025 Season Pass Holders will be admitted to Neptune Island 15 minutes early on Mermaid Mondays for an EXCLUSIVE Mermaid Monday Hour! See you on Monday, July 8, 15, 22 & 29 for Mermaid Mondays!

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