
Oakwood Watermark Seaport
Oakwood Watermark Seaport
400 South 4th Street, St Louis, MO, 63102
45,000
Sq ft event space
33
Meeting rooms
3,000
MAX Capacity
671
Guest rooms
Oakwood Watermark Seaport is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 45000 sq ft of flexible event space across 33 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
671 rooms available for individual stays and discounted room blocks.

Standard Room
Meeting & event space
45000 sq ft across 33 configurable rooms. Tap a room for capacities and setups.
Meeting Room 1
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 2
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 3
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 4
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 5
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 6
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 7
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 8
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Meeting Room 9
5000
·
Max capacity833
Floor area5000
Dimensions
Configurations6
Capacity by setup
500
Theater
416
Banquet
333
Classroom
178
U-Shape
166
Boardroom
833
Reception
Key amenities
Everything available on-site for your event and guests.
Location & transportation
400 South 4th Street, St Louis, MO, 63102