21st Birthday Party Venues in New York City

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A 21st Birthday Party Venue for every kind of Birthday party

Make your (or your loved ones) 21st birthday party memorable. They’re finally legally able to drink, and we all love to celebrate that. Mark this momentous birthday with a memorable celebration. Whether you want to throw an intimate dinner party with a professional chef or a rooftop dance party overlooking the Manhattan skyline or an event that will really wow your guests, we have 21st birthday venue to fit your tastes and budget.

Cocoon Handles Everything

When you book a 21st birthday party venue with us, you don’t just get a space, you also enjoy our full inclusive event planning services to take the hassle out of planning. We’ll coordinate all the logistics necessary. We can organize anything you need from flowers, food, bartending, live music, entertainment, decor, furniture rental — anything. Imagine no need to make what feels like a million calls to different vendors trying to get quotes, we’ll do that for you. We are professionals in the industry who organize all sorts of events on a daily basis, let us help you realize your dream 21st birthday party in New York. Tell us what you want or who you want to work with and will present you with all the options for you to choose from to create a memorable 21st birthday party your guests will be talking about.  

Day of your 21st Birthday party

You’re celebrating too. Be present with the celebrant at their 21st birthday party, knowing we’re here to make sure everything runs smoothly. On the day of the 21 birthday party, a Casa Manager will be on-site to help you with any day-of needs. The Casa Manager will stay out of your way unless you need them. Our Casa Managers are experts in event productions and experts on the space you booked. They’ll help set up, show guests where to go, handle catering and delivery coordination, and troubleshoot any issues that arise, so you can continue enjoying the party with peace of mind knowing that things are being handled.

21st Birthday Party Venues to Rent in New York City


Greenpoint, NY

Contemporary warm 3,000 sq./ft. 2 story penthouse loft with unbeatable rooftop views of Manhattan.

$355/hr+ $355/hr+ $525/hr+

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Lower East Side, NY

8,000 sq/ft house with a cellar + 3 floors and a 1,200 sq/ft rooftop boasts 6 beds and 3 baths

$325/hr+ $360/hr+ $420/hr+



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Williamsburg, NY

7,500 sq./ft. airy industrial design with impeccable touches of Mediterranean textiles.

$490/hr+ $505/hr+ $850/hr+

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How Booking a 21st Birthday Party Venues at Cocoon works

Tell us about your birthday party in NYC

A member of our team will assess your needs to qualify your reservation to ensure we are able to make your vision a reality.

We work with you to custom build your dream birthday party

We will assign a dedicated support person to help organize admin, catering, vendors, and logistics.

Have a seamless experience in our spaces

At least one Casa Manager will be onsite during your reservation to ensure everything runs smoothly day-of.

What People Are Saying About Our 21st Birthday Party Venues in NYC

Ahkiel W.

“Cocoon was our life saver. Not only was he diligent in communication, he worked with us in every possible way. From setup, to clean up, to strategy. We used main area for dinner with the terrace for cocktail hour. It was literally perfect for a 30th birthday party put together in 4 days!”

Francine D.

“Cocoon is an amazing host. Super easy to communicate with and very accommodating of all our requests. The onsite rep was an absolutely delight, so helpful. Great location. Definitely our best venue experience ever!”

Kristen L.

“Loved this space, we had an on-site resource during the event. The space is just as it was pictured!”

Frequently Asked Questions

How do I book a space with Cocoon?

Contact us and tell us about your event. A member of our customer experience team will assess your needs to ensure we are able to make your vision a reality.

If you decide to move forward, the event manager with whom you spoke will visit the space with you in person and take further notes on your ideas, and will begin organizing decor, catering, other vendors as needed (such as djs, live music, a/v tech, etc.), logistics, and insurance. For the day of the event, you will be assigned at least one Casa Manager (depending on the size of the event) who will be onsite with you to ensure everything runs smoothly and to help coordinate deliveries, guest arrivals, and anything else you may need.

Do you offer event planning services?

Yes! One of the biggest advantages of going with us is you are spared the hassles of searching for caterers, florists, mixologists. We have an extensive list of event vendors and we present you with options.

It is important to note that we believe strongly in supporting our vendor communities to create a diverse business ecosystem in NYC. This means that we do not accept payments from vendors to be listed with us, we do not add a markup of our own to their quotes, and we are constantly seeking to include new and talented vendors in our network.

What types of events can I host in these spaces?

Nearly anything!

  • Private events: Birthday parties, baby showers, family reunions, engagement parties, chef dinners, cocktail parties, Super Bowl parties, leaving town farewell parties, retirement parties.
  • Corporate events: Hackathons, design sprints, multi-day team building retreats, happy hours, company holiday parties, product launches, product showrooms, board of directors meetings.


What happens after we choose to work with Cocoon?

When you choose to work with us, you will be assigned a dedicated event manager to handle your event planning needs. First, we will listen to your idea and event size and present you with an array of space options that fit your needs.

With that foundation in place, we consult with you step-by-step as we build your special occasion. We bring all the options to you—your life will not come to a standstill during this process, we work hard to make sure you experience all of the joy of hosting an event, none of the hassles.

What are my payment options?

Credit card, wire transfer, direct deposit, and Paypal.

What are some of the services you help with?

We secure florists, catering, bartending, photographers, party tents, videographers, after-party bar reservations, car services, hair and makeup, nearby hotels, music, cakes and bakeries, photo booth rentals, performers, lighting equipment, furniture rentals, balloons, and decor. Nearly anything you can think of, we can provide.

Do I need insurance to use your spaces?

Yes. We can help you with this. For weddings, we partner with a few insurance providers and our management team can work with you to get an insurance quote that meets your budget and needs.

Will you be there on the day of the event?

Yes, and ready to handle everything that comes up! You are assigned a Casa Manager who will be there before the event to make sure everything is set up properly; during the event, to make sure everything runs smoothly; and afterward to oversee proper breakdown and clean-up. You are liberated to focus on your guests and special occasion.

Where Are Our 21st Birthday Party Venues Located?

Reasons to host your event with Cocoon

We are Pros

We area pro staff highly experienced in production that takes care of all your needs. Cocoon offers end-to-end services that feature every conceivable need you will have including prop and furniture sourcing and rental, hair and make up professionals, make up and hair stations, clothing rack rental, light rental and set up, music, catering, literally, anything you can think of.

Our Casa Managers Are There For You

Our onsite Casa Managers are there before, during and after your event to make sure everything about the location is perfect. All your production assistants will stay dedicated to the work at hand: if the air conditioning needs adjusting, if you need an updated lunch order, if someone needs directions, we are on it. You are free to do your best work.

More Done in Less Time

We are smartly priced and help you save the most valuable thing: your peace of mind. By offering spaces that are professionally managed and homeowner-free and comprehensive event services, our pro team helps you get more done in less time, and saves you money in the long run.

Supporting the Small NYC Business

We’re here to make the city better for small businesses and communities in need. Cocoon was founded with the idea of helping to create the city of the future, where more people have access to great public space and where small businesses can thrive. We regularly scout communities of color to locate and partner with talented emerging vendors, and our business plan is to drive our profits after start-up into funding community projects.

Got great ideas for your 21st birthday party? Set up a call with us and talk them through.
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