Coliseum Room

The walls are alive in the Coliseum room where our magnificent and colorful tanks offer the most extraordinary background for any event.

The Coliseum Room at Atlantis Banquets & Events, located within the Long Island Aquarium, offers a one-of-a-kind setting for special events. With vibrant aquatic displays and a fascinating marine environment, this venue provides an unforgettable backdrop for Long Island weddings, Sweet 16s, quinceañeras, proms, reunions, corporate functions, and holiday parties. Whether you’re hosting an intimate gathering or a large celebration, the Coliseum Room is designed to create a memorable experience for you and your guests.

Coliseum Room

The Coliseum Room is the heart of the event experience at Atlantis Banquets & Events, where the majority of the aquarium’s stunning aquatic habitats are showcased. This expansive space offers a mesmerizing backdrop with its vibrant and diverse marine life, creating an immersive undersea atmosphere for your guests to enjoy throughout the event.

One of the key features of the Coliseum Room is the 120,000-gallon Lost City of Atlantis Shark Habitat, a massive exhibit housing several species of sharks and tropical fish that glide gracefully through the water. This breathtaking display also provides a captivating backdrop for a buffet setup. Guests will be able to marvel at these majestic creatures while selecting their food choices, adding an extraordinary element to any event.

In addition to the shark habitat, the Coliseum Room boasts a variety of aquatic displays that bring the vivid world of marine life right to your guests’ tables. Colorful tropical fish, unique coral reefs, and fascinating creatures like the giant Pacific octopus and clownfish with anemones surround the dining area, creating an environment that’s perfect for both formal and casual gatherings. The layout of the room ensures that no matter where guests are seated, they are treated to stunning views of the aquarium’s exhibits.

With its awe-inspiring surroundings, the Coliseum Room is ideal for larger events such as Long Island weddings, proms, quinceañeras, corporate functions, and reunions, where the aquatic habitats serve as a visually charismatic backdrop. This room’s combination of ample space and enchanting marine displays creates an unforgettable atmosphere that will make any event truly extraordinary.

Ideal Venue for Any Event

The Coliseum Room provides a unique venue for hosting a wide range of events. The flexible layouts, combined with the immersive marine surroundings, makes it perfect for occasions of any size or style.

Wedding Receptions: Couples seeking a distinctive and interactive setting for their Long Island wedding reception will find the Coliseum Rooms ideal. Enjoy cocktails and dinner in front of the aquarium’s aquatic displays, and dance and celebrate with your guests surrounded by colorful marine life and stunning visuals.

Sweet 16 and Quinceañeras: These spaces offer an exciting and visually engaging environment for milestone birthday celebrations. The striking exhibits and dynamic atmosphere will leave a lasting impression on teens and their guests.

Proms and Reunions: Make your prom or reunion extraordinary by hosting it at the Long Island Aquarium. The Coliseum Room provides a fun yet elegant backdrop for dinner,  with plenty of room for dancing and entertainment in the adjoining Shark Room.

Corporate Functions and Holiday Parties: The Coliseum Room offers a professional yet unique setting for business events, corporate galas, and holiday parties. The venue’s aquatic displays add a fresh and engaging twist to traditional business functions.


  • Room Size – 4,600 sq. ft.
  • Capacity – 290 (banquet/ reception), 320 (theater)
  • Perfect for any event

Floor Plan

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FAQs

What makes the Coliseum Room different from a traditional event space?

The Coliseum Room is located inside the Long Island Aquarium, so instead of standard walls or décor, you’re surrounded by colorful marine life and large aquatic exhibits. This creates a fully immersive environment that feels completely different from a typical ballroom or banquet hall.

What types of events are best suited for the Coliseum Room?

The space is designed to be flexible and can host a wide range of events, including weddings, proms, quinceañeras, corporate events, and social celebrations. Its open layout and interactive setting make it especially popular for events where you want a more energetic and memorable atmosphere.

How many guests can the Coliseum Room accommodate?

The Coliseum Room offers about 4,600 square feet of space and can accommodate roughly 270 to 290 guests for a seated event, with higher capacity for cocktail-style or theater setups.
This makes it a strong option for mid-to-large events that still want a unique setting.

What does the experience feel like during an event in the Coliseum Room?

Events in the Coliseum Room feel more interactive and visually dynamic than a traditional venue. Guests can dine and celebrate while surrounded by coral reefs, tropical fish, sharks, and other marine life, which naturally becomes part of the entertainment and overall experience.

Can you combine the Coliseum Room with other spaces at Atlantis?

Yes, many events use the Coliseum Room alongside other areas at Atlantis Banquets & Events. For example, you might host cocktail hour in one aquarium space and then move into the Coliseum Room for the main event, or pair it with outdoor or ballroom spaces for a multi-part celebration.