21st birthday parties

Is your 21st Birthday coming up? What better way to celebrate your 21st than with an epic Birthday Party by the beach!? As Adelaide’s best function venue, The Function would love to help bring your 21st Birthday vision to life!


The Function’s unique, versatile and stylish events venue transforms to create your perfect party. Every event is fully catered, complete with our very own private cocktail bar! Our function room is perfect for 100-200 guests with plenty of space for a dance floor, DJ, light-up letters or ’21’ numbers and so much more. Select from our delicious platter menu options, choose from a drinks package, bar tab or subsidised drinks option or even request a signature cocktail. Our team will create a truly memorable night for you and your guests!

why you should select the function for your adelaide 21st birthday party:

21st birthdays in 2020

This month, book any 21st Birthday Cocktail Event in early-2020 and receive:
FREE Venue Hire + FREE Donut Wall Hire!

*Conditions and minimum spend applies. Minimum of 100 guests. Valid for new bookings made in July 2019 for events in January, February, March or April 2020. Contact us for event packages and pricing.

menus & packages

Click to View (Downloadable Packages)

learn more about our 21st birthday packages!

At The Function, Glenelg, every event is unique and custom to your style, needs and budget! For packages and pricing for your 21st Birthday, please contact our friendly team by calling (08) 8350 5030 or submit an enquiry using the form below.

enquiry form

Once submitted, a team member will be in touch with you shortly to prepare a personalised quote!

get social with us