21st Birthday Party Venues for Hire in St Kilda, Melbourne

Booking costs of 21st birthday party venues average $3000 minimum spend per event. Costs vary depending on guest capacity, popularity, location, and amenities like sound systems or bar services. Extra charges may apply for custom catering, decor, or event planning services. Packages with add-ons, such as DJs, photo booths, or other entertainment services, can also increase the overall cost. Check out the typical price ranges in St Kilda, based on Tagvenue data:

Based on the popularity and user ratings on Tagvenue (updated October 2026), the best options include:

• Atrium at Red Eye Bar in St Kilda - rated 5/5
  Our user said: ‘Isaac was very responsive and helped us with all our questions...’

• Entire Venue at Lady Peacock in St Kilda - rated 4.8/5
  Our user said: ‘Couldn't Desrcibe how beatiful, inclusive and accompanying this venue is.’

• Deck at Secret Garden Bar in St Kilda - rated 4.7/5
  Our user said: ‘The security helped us out for the event a lot and it is a beautiful space in the deck.’

You'll find 21st birthday party venues in various sizes, from smaller spots to larger venues; keep in mind that the type of space and your chosen layout will affect the capacity! Below you can see the typical venue sizes in St Kilda, together with the standard prices in each size range, based on Tagvenue data (October 2026):

Based on Tagvenue data (as of October 2026), users looking for 21st birthday party venues most commonly go for these venue types:

Smaller 21st birthday party venues usually fit up to 50 guests standing. Here are some great options in St Kilda, based on Tagvenue data as of October 2026:

• Private Clubhouse at 29th Apartment — St Kilda - lounge for 20 guests
  Venue said: The space is lit by table lamps and low overhead light, centred on a timber coffee table. Features: The Private Clubhouse provides a lounge layout with built-in seating arranged around a central coffee table for conversational...

• The Whiskey Bar at The Fifth Province - bar for 50 guests
  Venue said: Some gatherings are better when everyone can actually hear each other. Centred around the bar, this space is made for smaller groups, good conversation, and occasions that don't need a huge guest list to make an impression.

• Private Dining Room at Post Office Club Hotel, rated 5/5 - dining room for 35 guests
  Venue said: Post Office Club Hotel is a hotel‑pub in a long‑running building that pairs rustic‑chic décor with a courtyard. Venue highlights: The venue supplies in-house catering and an extensive vegan and vegetarian menu for private...

Cheap 21st birthday party venues in St Kilda start from $1000 minimum spend per event or $40 hire fee per hour. Check out these budget-friendly spaces you can book through Tagvenue, as of October 2026:

• Deck at Secret Garden Bar, from $1000 minimum spend per event (up to 100 guests standing)
  Our user said: ‘Great music, great value and just a wonderful vibe.’

• Dr Jekyll's Tavern at Jekyll & Hyde, from $40 hire fee per hour (up to 100 guests standing)
  Venue said: Located on the ground floor of Jekyll & Hyde, Dr Jekyll’s Tavern is a cosy, traditional British-style pub in the heart of St Kilda. With live sports on screen, a crackling fireplace, and an extensive selection of beers, wines...

• Whole Venue at 29th Apartment — St Kilda, from $40 per person (up to 180 guests standing)
  Venue said: 29th Apartment — St Kilda is a movie-themed bar styled as a New York apartment that pairs theatrical cocktails with casual Italian food and social games.