Birthday Parties

Make a splash for your child’s birthday!

CoCo Key is committed to making your child’s birthday celebration a splashing success. Our private party venues, array of exciting water slides and activities, interactive arcade, and delicious kid-friendly menu choices make CoCo Key Water Park a favorite venue for fun, entertaining birthday parties!

Our event planning specialists will take care of all the details, so you can sit back and enjoy the party.

CoCo Key now offers a discount to Military & First Responder families for Birthday Parties! Receive 20% off with a valid military, veteran or first responder ID!

Cabana Party

Includes 8 Guests, 2 Non-Swimmers

Starting at $349.00

Includes:

  • 4 Hours Access to Water Park
  • Private cabana, table, television and designated Party Captain
  • Includes two (2) slices of Cheese Pizza per guest
  • CoCo Key Cake by Cakes for Occasions (nut free)
  • Assorted Sodas & Water
  • Decorations provided
  • CoCo Themed Birthday Invitations or E-vite Image
  • $30.00 Per Additional Guest, $10.00 Per Additional Non-Swimmer
  • Please Note: No Balloons or Third Party Cakes
  • Maximum seating in Cabana is for 8 Guests

Package price is subject to 7% MA Sales Tax and 16% gratuity

Baby Shark Cabana Party

Includes 10 Guests, 10 Non-Swimmers

Starting at $399.00

Includes:

  • For ages 4 and under
  • 3 Hours Access to the Water Park
  • Private cabana, table and television located near toddler dip in pool and designated Party Captain
  • Includes two (2) slices of Cheese Pizza per guest
  • Baby Shark Themed Cake (nut free)
  • Assorted Juices and Water
  • Baby Shark Stuffed Animal Birthday Favor per Child
  • Please Note: No Balloons or Third Party Cakes
  • Maximum seating in Cabana is for 8 Guests

Package price is subject to 7% MA Sales Tax and 16% gratuity

water activities

Big Wave Party Package

Includes 10 Guests, 2 Non-Swimmers

Starting at $375.00

Includes:

  • 3 Hour Access to Water Park
  • One Hour Inside Private Party Room with Party Captain
  • Includes two (2) slices of Cheese Pizza per guest
  • Option to order CoCo Key Cake (nut free) or Bring Your Own
  • Assorted Soda & Water During 1 hour in party room
  • CoCo Themed Birthday Invitations or E-vite Image
  • $5 Arcade Card for Birthday Child
  • Ticket to come back to the park for Birthday Child
  • $30.00 Per Additional Guest, $10.00 Per  Additional Non-Swimmer

Package price is subject to 7% MA Sales Tax and 16% gratuity

water park admission

Ultimate Splash Party Package

Includes 10 Guests, 2 Non-Swimmers

Starting at $549.00

Includes:

  • Full Day Access to Water Park
  • One Hour Inside Private Party Room with Party Captain
  • Includes two (2) slices of Cheese Pizza per guest
  • Option to order CoCo Key Cake (nut free) or Bring Your Own
  • Soda and Water available during 1 hour in party room
  • CoCo Themed Birthday Invitations or E-vite Image
  • $5 Arcade Card per Child
  • CoCo Key Water Bottle Favor with free refills inside the park
  • Ticket to come back to the park for Birthday Child
  • $35.00 Per Additional Guest, $10 per Additional Non-Swimmer

Package price is subject to 7% MA Sales Tax and 16% gratuity

boston amusement park

Splashtastic Sleepover Party

Includes 10 Guests, 2 Non-Swimmer Chaperones

Starting at $750 

Includes:

    • Private Suite for the Slumber Party
    • Dessert Amenity Delivery of Cookies & Milk
    • Unlimited swim time from 4:00pm-9:00pm on Night of Arrival, Unlimited Swim time on Day of Departure
    • One hour meal time in Party Room on Night of Arrival
    • Includes two (2) slices of Cheese Pizza per guest
    • CoCo Key Themed Cake
    • Unlimited pitchers of soft drinks and water during one hour meal time
    • CoCo Themed Birthday Invitations or E-vite Image
    • $5 Arcade Card per Child
    • Ticket to come back to the park & Free Retail Item for Birthday Child
    • Note: Maximum for 12 Guests

Package price is subject to 7% MA Sales Tax and 16% gratuity

Book your party online today via the BOOK NOW button on our page.

Contact our CoCo Key Sales Manager at 978-750-7971 for more details!

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