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Top 21st Birthday Party Venues in Cambridge, MA
Turning 21 marks a significant milestone, and the setting plays a central role in how the celebration unfolds. If you’re exploring top 21st birthday party venues in Cambridge, you’ll find spaces designed to accommodate everything from lively evening parties to more refined gatherings with dinner and drinks. Across the city, there are private hire bars with built-in sound systems, contemporary function rooms with flexible layouts, and venues that offer catering and drinks packages to simplify planning. With the right venue secured, the focus can shift to the celebration itself and making the occasion truly memorable. Explore our listings and book the best one today!
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![Bar Lounge at Park-9 Dog Bar in Near Cambridge, MA]()
from $300
minimum spend / per sessionCheck availabilityBar Lounge
40 guestsPark-9 Dog BarNear Cambridge, MAOur Bar Lounge is a beautiful space perfect for watch parties, larger team networking events, fundraisers, birthdays and more! This space fits up to 40 guests and includes high-top tables, a shuffleboard table, bar and booth -
![The Trap Lounge 5th Floor at Trapology Boston in Near Cambridge, MA]()
from $2900
hire fee / per sessionCheck availabilityThe Trap Lounge 5th Floor
45 guestsTrapology BostonNear Cambridge, MAThis space will work wonderfully for all forms of events aimed at group integration, team building, workshops, or parties. You can also organize a birthday or other type of event here. -
![Dining Room and Bar at Sol Azteca in Near Cambridge, MA]()
from $1800
minimum spend / per dayCheck availabilityDining Room and Bar
25 guestsSol AztecaNear Cambridge, MAThe main dining room - that can accommodate up to 34 guests - has a bar area and a large-screen TV that can be used to watch sports. The space features high top seating, and a booth that accommodates up to 6 guests, apart -
![Royale at Royale in Near Cambridge, MA]()
from $10000
hire fee / per sessionCheck availabilityRoyale
2000 guestsRoyaleNear Cambridge, MAOur special event staff is able to accommodate parties from 50 up to over 2,000 with the ability to include two of our other venues in the same building. -
![Entire Space at Reunion BBQ in Near Cambridge, MA]()
from $10000
minimum spend / per sessionCheck availabilityEntire Space
125 guestsReunion BBQNear Cambridge, MAThe Entire Space at BBQ Reunion is a restaurant/bar located in the heart of Boston. Smoked low and slow BBQ specials await you, with signature side dishes, buttery cookies, meaty wings, and cold drinks! -
![Inside Area at @UNION in Near Cambridge, MA]()
from $250
minimum spend / per sessionCheck availabilityInside Area
70 guests@UNIONNear Cambridge, MAWhether you’re celebrating a birthday, graduation, or other important events, our open restaurant is perfect for accommodating large groups! With an 82” flat screen TV, wood paneling, large windows, flexible seating, and -
![The Trap Lounge 2nd Floor at Trapology Boston in Near Cambridge, MA]()
from $2900
minimum spend / per sessionCheck availabilityThe Trap Lounge 2nd Floor
45 guestsTrapology BostonNear Cambridge, MAIt will be perfect for birthdays and various types of events. This is a truly unique space, which guarantees a good time. -
![Rooftop Garden & Ballroom at Le Meridien Boston Cambridge in Cambridge, MA]()
from $2500
minimum spend / per dayCheck availabilityRooftop Garden & Ballroom
200 guestsLe Meridien Boston CambridgeCambridge, MASay your vows or host an amazing event surrounded by the skyline in our rooftop garden, an intimate, open-air space that can accommodate up to 200 people. -
![Outdoor Patio at Lavash Bar & Grille in Cambridge, MA]()
from $50
per person / per sessionCheck availabilityOutdoor Patio
85 guestsLavash Bar & GrilleCambridge, MAOur Outdoor Patio is a perfect place to have a party on summer days and evenings. The patio is located in front of the building - at the entrance to the Main Dining Area. -
![Entire Restaurant at Passage To India in Cambridge, MA]()
from $65
per person / per sessionCheck availabilityEntire Restaurant
95 guestsPassage To IndiaCambridge, MALocated in the heart of Cambridge, Passage to India is a modern Indian restaurant that offers a unique experience for its guests. From the comfortable seating area to the warm and inviting atmosphere, Passage to India serves -
![Entire Venue at Legacy Boston in Near Cambridge, MA]()
from $1000
hire fee / per hourCheck availabilityEntire Venue
400 guestsLegacy BostonNear Cambridge, MALegacy Boston's facilities offer numerous options and multiple scenarios for any event. Our special event staff can assist with accommodating parties of up to 400+ ppl and can provide full audio-visual needs. -
![Off-Leash Park at Park-9 Dog Bar in Near Cambridge, MA]()
from $800
minimum spend / per sessionCheck availabilityOff-Leash Park
60 guestsPark-9 Dog BarNear Cambridge, MAOur off-leash park is our only space rental that dogs can run leash free! This space is a private park for you and your guests to enjoy. It can accommodate up to 60 guests.
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FAQs about Top 21st Birthday Party Venues in Cambridge, MA
Booking costs of 21st birthday party venues average $2500 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 Cambridge, based on Tagvenue data from February 2026:
| From $800 | to $2500 | minimum spend per event |
| From $2000 | to $7500 | hire fee per event |
| From $50 | to $65 | per person |
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 Cambridge, together with the standard prices in each size range, based on Tagvenue data (February 2026):
| Small | up to 60 guests | prices average $800 minimum spend per event |
| Medium | between 95 and 160 guests | prices average $5500 hire fee per event |
| Large | over 190 guests | prices average $2500 minimum spend per event |
These are the venues within 1.6 mi from central Cambridge, available to book on Tagvenue:
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Dining Room and Bar at Sol Azteca
on 914 Beacon Street - 1.3 mi from center.
Venue said: Our full bar serves fresh margaritas and unique cocktails to order, and as we love to host birthday parties, you can find custom packages for parties of 10+ people during the week. -
Entire Venue at Lucky Strike Fenway
on 145 Ipswich Street - 1.3 mi from center.
Venue said: It’s a great place for parties, corporate events, and casual hangouts. The venue also features a full-service bar for guests. It is wheelchair accessible and has parking nearby for convenience. -
Entire Restaurant at Passage To India
on 3 Glassworks Avenue - 1.6 mi from center.
Venue said: The bar serves up exotic drinks and cocktails alongside traditional Indian dishes. Celebrate your special event with us! Whether you are looking for a romantic night out, celebrating a birthday, or anniversary, or a place...
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Page last updated in February 2026
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