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Long Island Marriott
101 James Doolittle Boulevard, Uniondale, New York
25,894
Sq ft event space
23
Meeting rooms
1,200
MAX Capacity
615
Guest rooms
Long Island Marriott is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 25894 sq ft of flexible event space across 23 configurable rooms, we bring your vision to life with an experienced in-house events team.
Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.
Guest rooms
615 rooms available for individual stays and discounted room blocks.

CDDB

CONC

DBDB

DDST
Meeting & event space
25894 sq ft across 23 configurable rooms. Tap a room for capacities and setups.
Grand Ballroom
9720
·
72 x 135 ft
·
14 ft ceiling
Max capacity1200
Floor area9720
Dimensions72 x 135 ft
Ceiling height14 ft
Configurations4
Capacity by setup
1000
Theater
700
Banquet
600
Classroom
1200
Reception
Salons 3 & 4
5184
·
72 x 72 ft
·
14 ft ceiling
Max capacity575
Floor area5184
Dimensions72 x 72 ft
Ceiling height14 ft
Configurations4
Capacity by setup
575
Theater
300
Banquet
320
Classroom
400
Reception
Lighthouse Ballroom
2860
·
110 x 26 ft
·
10 ft ceiling
Max capacity250
Floor area2860
Dimensions110 x 26 ft
Ceiling height10 ft
Configurations4
Capacity by setup
250
Theater
200
Banquet
120
Classroom
200
Reception
Salons 3 or 4
2592
·
36 x 72 ft
·
14 ft ceiling
Max capacity275
Floor area2592
Dimensions36 x 72 ft
Ceiling height14 ft
Configurations4
Capacity by setup
275
Theater
150
Banquet
160
Classroom
200
Reception
Chardonnay
2380
·
68 x 35 ft
·
12 ft ceiling
Max capacity150
Floor area2380
Dimensions68 x 35 ft
Ceiling height12 ft
Configurations2
Capacity by setup
125
Banquet
150
Reception
Salons 1 & 2 or 5 & 6
2232
·
31 x 72 ft
·
14 ft ceiling
Max capacity150
Floor area2232
Dimensions31 x 72 ft
Ceiling height14 ft
Configurations4
Capacity by setup
150
Theater
100
Banquet
90
Classroom
150
Reception
Skylight Suite
1661
·
46 x 46 ft
·
12 ft ceiling
Max capacity100
Floor area1661
Dimensions46 x 46 ft
Ceiling height12 ft
Configurations5
Capacity by setup
100
Theater
90
Banquet
80
Classroom
40
U-Shape
100
Reception
Long Island University
1326
·
51 x 26 ft
·
12 ft ceiling
Max capacity100
Floor area1326
Dimensions51 x 26 ft
Ceiling height12 ft
Configurations5
Capacity by setup
100
Theater
80
Banquet
65
Classroom
35
U-Shape
90
Reception
Adelphi
1326
·
51 x 26 ft
·
12 ft ceiling
Max capacity100
Floor area1326
Dimensions51 x 26 ft
Ceiling height12 ft
Configurations5
Capacity by setup
100
Theater
80
Banquet
65
Classroom
35
U-Shape
90
Reception
Salon 1, 2, 5 or 6
1116
·
31 x 36 ft
·
14 ft ceiling
Max capacity60
Floor area1116
Dimensions31 x 36 ft
Ceiling height14 ft
Configurations5
Capacity by setup
60
Theater
50
Banquet
45
Classroom
30
U-Shape
60
Reception
Key amenities
Everything available on-site for your event and guests.
Interactive Map
- Barber shop
- Check cashing policy
- Complimentary coffee in lobby
- Complimentary newspaper in lobby
- Concierge lounge
- Hairdresser/barber
- Video checkout
Other Hotel Service
- 24-hour coffee shop
- ATM/Cash machine
- Accessible parking
- Complimentary in-room coffee or tea
- Concierge desk
- Indoor parking
- Long term parking
- Motorcycle parking
- Off-Site parking
- On-Site parking
- Parking
- Valet parking
Recreational facilities
- Black Course
- Blue Course
- Casino
- Childrens Pool Indoor
- Course Total Yardage
- Cradle of Aviation Museum
- Deep Blue Med Spa
- Fitness Center
- Game room
- Green Course
- Jones Beach State Park
- Long Island Children's Museum
- Minimum Swimming Pool Depth
- Number of Holes
- Old Bethpage Village Restoration
- Omni Fitness Center
- Par for Course
- Pool Open Year Around
- Red Course
- Restricted age for Children w/o Adult Supervision
Location & transportation
101 James Doolittle Boulevard, Uniondale, New York