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Long Island Marriott

Event Spaces

Long Island Marriott is perfect for all of your business event needs. Our versatile spaces can be customized to best meets your needs, from intimate boardrooms to elegant ballroom venues. Our convenient Nassau County setting near area airports and the Long Island Railroad makes it easy for your event attendees to get here on time.

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Grand Ballroom

The largest of our Long Island hotel's ballroom venues, the elegant Grand Ballroom creates a sophisticated atmosphere for your event.

Square Footage: 9,720 square feet of total event space


Guest Capacity:

  • Theater Seating - 1,000 guests
  • Schoolroom - 600 guests
  • Reception - 1,200 guests
  • Banquet - 700 guests

Highlights: Luxuriate in 14-foot ceilings and a large foyer space that is perfect for exhibits, pre-event registration and VIP receptions. The Grand Ballroom is a highly versatile event space which can be broken into smaller venues to accommodate meetings for as few as 30 people.

The Grand Ballroom is located on the lobby level of our hotel.

Long Island venue space

Chardonnay Room

One of our Long Island hotel's most popular event venues, the light-filled Chardonnay Room is a versatile space that can be used as a meeting room or as a smaller ballroom.

Square Footage: 1,900 square feet

Dimensions: Large, L-Shaped Room

Guest Capacity:

  • Reception - 250 guests
  • Banquet - 200 guests

Highlights: Solarium-style glass wraps around the top of 14-foot tall ceilings, providing this event space with abundant natural light and atmospheric ambiance, day and night. Featuring state-of-the-art LED lighting, this venue is ideal for social events, corporate dining and meetings of all sizes.

Location: Lobby Level

Long Island event space

Lighthouse Ballrooom

Ideal for smaller events, theater-style meetings or breakout sessions from the Grand Ballroom, the Lighthouse Ballroom venue is easily customized to suit all of your event needs.

Square Footage: 2,860 square feet of total space

Dimensions: 110x26x10 (LxWxH)

Guest Capacity:

  • Theatre - 250 guests
  • Schoolroom - 120 guests
  • Reception - 200 guests
  • Banquet - 200 guests

Highlights: Located directly across the foyer from the Grand Ballroom, our smaller event space is perfect for exhibits, post-conference receptions and many other functions.

Location: Lobby Level

Event venue Long Island

Executive Boardroom

The sophisticated Executive Boardroom is the ideal event venue for VIP meetings, corporate luncheons, client presentations, training sessions or smaller seminars.

Footage: 520 square feet of space

Dimensions: 20x26x10 (LxWxH)

Guest Capacity:

  • Conference - 12 guests

Highlights: Large, comfortable chairs surrounding a permanent oak boardroom table give this Long Island event space an atmosphere designed for success. Large windows line one wall of this venue, providing natural light and an open, airy feel. Modern audiovisual technology and Wi-Fi are available.

Location: Conference Wing

Event space Long Island

Skylight Suite

Featuring 1,600 square feet of flexible event space, the Skylight Suite at Long Island Marriott is the perfect venue to host your next mid-sized business gathering.

Square Footage: 1,600

Dimensions: Round room with 10-foot ceilings

Guest Capacity:

  • Theatre - 100 guests
  • Schoolroom - 80 guests
  • Conference - 40 guests
  • U-Shape - 40 guests
  • Reception - 100 guests
  • Banquet - 90 guests

Highlights: This event space is just steps from the Grand and Lighthouse Ballrooms. The uniquely round-shaped room is a wonderful alternate venue, unlike any other hotel meeting space. This room is ideal for breakouts and general sessions. Host meeting meal breaks and VIP receptions in this venue, which is located close to our inviting outdoor patio.

Location: Lobby Level

Long Island ballroom venue

Forum Rooms

Located in the Convention Center Wing of our Long Island hotel, the Forum Rooms are venues that are ideal for events, both large and small, that require diverse breakout space.

Square Footage: 598 square feet/520 square feet (Forum V) Dimensions: 23x26x10 (LxWxH)

Dimensions: 23x26x10 (LxWxH)

Guest Capacity:

  • Theatre - 30 guests
  • Schoolroom - 20 guests
  • Conference - 22/20 guests
  • U-Shape - 16 guests
  • Reception - 50/30 guests
  • Banquet - 30 guests

Highlights: All of our Forum Rooms have large windows, which allow for abundant natural light.

Location: Conference Wing

Long Island meeting venue

College Rooms

The four College Rooms at our Long Island hotel are superb breakout venues or event spaces for smaller groups and are accessible to the foyer for coffee breaks, lunch receptions and more.

Hofstra: 780 square feet

Adelphi: 1,326 square feet

Molly: 624 square feet

Long Island University & Ampitheatre: 1,326 square feet

Location: Conference Wing

Meeting space Long Island

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