San Antonio Marriott Riverwalk — Event Spaces, Floor Plans & Capacities

889 E Market St, San Antonio, TX 78205

15 rooms · largest space: Alamo Ballroom, 9,800 sq ft910 m²

With 15 event rooms, San Antonio Marriott Riverwalk is a flexible choice for meetings and celebrations in San Antonio. The largest space is Alamo Ballroom, 9,800 sq ft910 m². It holds up to 1,100 guests. Full capacity details for each room are below.

Plan an event in Alamo Ballroom: open a free to-scale layout seating 550 at round tables in its 140 × 70 ft footprint at floors.live/start — no account needed.

Between them, the 15 rooms accommodate theater-style sessions for up to 1,100, seated banquets for 850 and standing receptions for 1,000. 4 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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Unverified listing — compiled from San Antonio Marriott Riverwalk’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/texas/san-antonio/san-antonio-marriott-riverwalk/?claim=1.

Floor plans

Detailed floor plans for San Antonio Marriott Riverwalk are published on the venue’s official site.

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Room capacities & dimensions

15 rooms

Room capacities and dimensions for San Antonio Marriott Riverwalk
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Alamo BallroomPlan this room →	9,800 sq ft910 m²	14 ft4.3 m	850	1,100	550	1,000	—	—
BonhamPlan this room →	375 sq ft35 m²	12 ft3.7 m	30	30	15	40	16	12
BowiePlan this room →	814 sq ft76 m²	12 ft3.7 m	50	60	35	80	25	20
CrockettPlan this room →	375 sq ft35 m²	12 ft3.7 m	24	20	10	20	16	12
MilamPlan this room →	550 sq ft51 m²	12 ft3.7 m	30	30	20	35	20	15
River TerracePlan this room →	2,590 sq ft241 m²	12 ft3.7 m	140	54	42	250	22	24
RiverviewPlan this room →	1,610 sq ft150 m²	12 ft3.7 m	120	100	35	150	30	32
Salon APlan this room →	1,050 sq ft98 m²	14 ft4.3 m	72	100	60	100	30	30
Salon BPlan this room →	1,050 sq ft98 m²	14 ft4.3 m	72	100	60	100	30	30
Salon CPlan this room →	2,800 sq ft260 m²	14 ft4.3 m	240	300	180	300	—	60
Salon DPlan this room →	2,800 sq ft260 m²	14 ft4.3 m	240	300	180	300	—	60
Salon EPlan this room →	1,050 sq ft98 m²	14 ft4.3 m	72	100	60	100	30	30
Salon FPlan this room →	1,050 sq ft98 m²	14 ft4.3 m	72	100	60	100	30	30
TravisPlan this room →	902 sq ft84 m²	12 ft3.7 m	50	75	40	80	30	22
ValeroPlan this room →	550 sq ft51 m²	12 ft3.7 m	40	40	24	40	20	20

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter.

Frequently asked questions

What is the floor plan of San Antonio Marriott Riverwalk?

San Antonio Marriott Riverwalk has 15 rooms. The largest space is Alamo Ballroom, 9,800 sq ft (140 × 70 ft). Every room's dimensions and seating capacity by setup are listed on this page. San Antonio Marriott Riverwalk's own floor plans are published on its website, linked from this page.

How many event rooms does San Antonio Marriott Riverwalk have?

San Antonio Marriott Riverwalk has 15 rooms.

What is the largest space at San Antonio Marriott Riverwalk?

Alamo Ballroom, 9,800 sq ft: 140 × 70 ft, 850 banquet / 1,100 theater.

How many people can San Antonio Marriott Riverwalk seat for a banquet?

Up to 850 in Alamo Ballroom. The next largest room, Salon C, seats 240.

What is the ceiling height at San Antonio Marriott Riverwalk?

The highest ceiling is 14 ft, in Alamo Ballroom.

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