Marriott Jacksonville Downtown — Event Spaces, Floor Plans & Capacities

245 Water St, Jacksonville, FL 32202

9 rooms · largest space: Florida Ballroom, 6,952 sq ft646 m²

Marriott Jacksonville Downtown gives Jacksonville event planners 9 rooms to work with. The largest space is Florida Ballroom, 6,952 sq ft646 m². It holds up to 750 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in Florida Ballroom: open a free to-scale layout seating 400 at round tables in its 63 × 120 ft footprint at floors.live/start — no account needed.

Across its 9 rooms, Marriott Jacksonville Downtown handles theater-style sessions for up to 750, seated banquets for 550 and standing receptions for 700. 4 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

Plan your event in this space — free

Unverified listing — compiled from Marriott Jacksonville Downtown’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/florida/jacksonville/marriott-jacksonville-downtown/?claim=1.

Floor plans

Detailed floor plans for Marriott Jacksonville Downtown are published on the venue’s official site.

View official floor plans at Marriott ↗Plan your event in this space — free

Work at Marriott Jacksonville Downtown? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

9 rooms

Room capacities and dimensions for Marriott Jacksonville Downtown
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Florida BallroomPlan this room →	6,952 sq ft646 m²	16 ft4.9 m	550	750	485	700	399	100
Duval BallroomPlan this room →	2,039 sq ft189 m²	12 ft3.7 m	150	170	120	211	60	25
Pensacola RoomPlan this room →	1,034 sq ft96 m²	10 ft3 m	60	60	50	75	30	18
Jacksonville RoomPlan this room →	598 sq ft56 m²	10 ft3 m	40	40	28	50	20	12
St. Augustine RoomPlan this room →	480 sq ft45 m²	10 ft3 m	40	24	24	50	12	10
Miami RoomPlan this room →	396 sq ft37 m²	10 ft3 m	20	20	18	30	10	8
Tallahassee BoardroomPlan this room →	322 sq ft30 m²	10 ft3 m	—	—	—	—	10	—
Tampa RoomPlan this room →	675 sq ft63 m²	12 ft3.7 m	60	60	60	74	42	20

Additional spaces (dimensions only) (1)

Additional spaces with published dimensions only at Marriott Jacksonville Downtown
Space	Sq ft / m²	Ceiling
Naples RoomPlan this room →	476 sq ft44 m²	—

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 Marriott Jacksonville Downtown?

Marriott Jacksonville Downtown has 9 rooms. The largest space is Florida Ballroom, 6,952 sq ft (63 × 120 ft). Every room's dimensions and seating capacity by setup are listed on this page. Marriott Jacksonville Downtown's own floor plans are published on its website, linked from this page.

How many event rooms does Marriott Jacksonville Downtown have?

Marriott Jacksonville Downtown has 9 rooms.

What is the largest space at Marriott Jacksonville Downtown?

Florida Ballroom, 6,952 sq ft: 63 × 120 ft, 550 banquet / 750 theater.

How many people can Marriott Jacksonville Downtown seat for a banquet?

Up to 550 in Florida Ballroom. The next largest room, Duval Ballroom, seats 150.

What is the ceiling height at Marriott Jacksonville Downtown?

The highest ceiling is 16 ft, in Florida Ballroom.

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