Marriott DFW Airport South — Event Spaces, Floor Plans & Capacities

4151 Centreport Dr, Fort Worth, TX 76155

24 rooms · largest space: Trinity Ballroom, 7,480 sq ft695 m²

Marriott DFW Airport South gives Fort Worth event planners 24 rooms to work with. The largest space is Trinity Ballroom, 7,480 sq ft695 m² (divisible into 13 sections). It holds up to 750 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in Trinity Ballroom: open a free to-scale layout seating 440 at round tables in its 55 × 136 ft footprint at floors.live/start — no account needed.

Across its 24 rooms, Marriott DFW Airport South handles theater-style sessions for up to 550, seated banquets for 500 and standing receptions for 750. 14 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 DFW Airport South’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/texas/fort-worth/marriott-dfw-airport-south/?claim=1.

Floor plans

Detailed floor plans for Marriott DFW Airport South are published on the venue’s official site.

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

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Room capacities & dimensions

24 rooms, 25 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for Marriott DFW Airport South
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Trinity IPlan this room →572 sq ft53 m²11 ft3.4 m454020502020
1 configuration with Trinity I
Combined and divided set-ups that include Trinity I
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Trinity BallroomPlan this room →7,480 sq ft695 m²14 ft4.3 m500550350750——
Trinity IIPlan this room →638 sq ft59 m²11 ft3.4 m454020502020
Trinity IIIPlan this room →2,475 sq ft230 m²14 ft4.3 m175150150200—57
Trinity IVPlan this room →2,475 sq ft230 m²14 ft4.3 m175150150200—57
Trinity VPlan this room →624 sq ft58 m²11 ft3.4 m454020502020
Trinity VIPlan this room →696 sq ft65 m²11 ft3.4 m454020502020
Trinity I, IIPlan this room →1,210 sq ft112 m²—454020504020
Trinity III, IVPlan this room →4,950 sq ft460 m²—175150256200—57
Trinity V, VIPlan this room →1,320 sq ft123 m²—454020504020
Trinity I, II, IIIPlan this room →3,686 sq ft342 m²—45402050—20
Trinity IV, V, VIPlan this room →3,795 sq ft353 m²—175150192200—57
Trinity I, II, III, IVPlan this room →6,161 sq ft572 m²—45402050—20
Trinity III, IV, V, VIPlan this room →6,270 sq ft583 m²—175150320200—57
CentreportPlan this room →1,049 sq ft97 m²10 ft3 m603228642830
Clear ForkPlan this room →578 sq ft54 m²9 ft2.7 m301214301418
West ForkPlan this room →578 sq ft54 m²9 ft2.7 m301214301418
Little BearPlan this room →454 sq ft42 m²8 ft2.4 m301214201415
Big BearPlan this room →454 sq ft42 m²8 ft2.4 m301214201415
Lower AtriumPlan this room →2,000 sq ft186 m²25 ft7.6 m120——175——
Trinity I, II FoyerPlan this room →572 sq ft53 m²11 ft3.4 m45402050—20
Trinity III FoyerPlan this room →2,475 sq ft230 m²14 ft4.3 m175150—200—57
Trinity IV FoyerPlan this room →2,475 sq ft230 m²14 ft4.3 m175150—200—57
Trinity V, VI FoyerPlan this room →624 sq ft58 m²11 ft3.4 m45402050—20
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Marriott DFW Airport South
SpaceSq ft / m²Ceiling
Trinity Ballroom FoyerPlan this room →7,480 sq ft695 m²14 ft4.3 m

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 DFW Airport South?

Marriott DFW Airport South has 24 rooms. The largest space is Trinity Ballroom, 7,480 sq ft (55 × 136 ft). Every room's dimensions and seating capacity by setup are listed on this page. Marriott DFW Airport South's own floor plans are published on its website, linked from this page.

How many event rooms does Marriott DFW Airport South have?

Marriott DFW Airport South has 24 rooms. 25 configurations are listed on this page.

What is the largest space at Marriott DFW Airport South?

Trinity Ballroom, 7,480 sq ft (divisible into 13 sections): 55 × 136 ft, 500 banquet / 550 theater.

How many people can Marriott DFW Airport South seat for a banquet?

Up to 500 in Trinity Ballroom. The next largest room, Trinity III Foyer, seats 175.

Can Trinity Ballroom be divided?

Yes. Trinity Ballroom divides into 13 sections: Trinity I, Trinity II, Trinity III, Trinity IV, Trinity V, Trinity VI, Trinity I, II, Trinity III, IV, Trinity V, VI, Trinity I, II, III, Trinity IV, V, VI, Trinity I, II, III, IV, Trinity III, IV, V, VI.

What is the ceiling height at Marriott DFW Airport South?

The highest ceiling is 25 ft, in Lower Atrium.

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