South Sioux City Marriott Riverfront

385 East 4th Street, South Sioux City, Nebraska
55,758
Sq ft event space
11
Meeting rooms
1,600
MAX Capacity
114
Guest rooms

South Sioux City Marriott Riverfront is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 55758 sq ft of flexible event space across 11 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

114 rooms available for individual stays and discounted room blocks.

CLQQ

CLQQ

CONC

CONC

EXEC

EXEC

GENR

GENR

Meeting & event space

55758 sq ft across 11 configurable rooms. Tap a room for capacities and setups.

Marriott Event Center

23000 · 230 x 100 ft · 30 ft ceiling
Max capacity1600
Floor area23000
Dimensions230 x 100 ft
Ceiling height30 ft
Configurations5
Capacity by setup
1600
Theater
1200
Banquet
600
Classroom
30
U-Shape
1500
Reception

Grand Ballroom

11680 · 146 x 80 ft · 17 ft ceiling
Max capacity800
Floor area11680
Dimensions146 x 80 ft
Ceiling height17 ft
Configurations5
Capacity by setup
800
Theater
600
Banquet
400
Classroom
30
U-Shape
720
Reception

Cardinal Room

5800 · 100 x 58 ft · 10 ft ceiling
Max capacity400
Floor area5800
Dimensions100 x 58 ft
Ceiling height10 ft
Configurations5
Capacity by setup
400
Theater
300
Banquet
150
Classroom
30
U-Shape
350
Reception

Orion

3200 · 80 x 40 ft · 17 ft ceiling
Max capacity350
Floor area3200
Dimensions80 x 40 ft
Ceiling height17 ft
Configurations5
Capacity by setup
350
Theater
200
Banquet
140
Classroom
30
U-Shape
240
Reception

Carlisle

3200 · 80 x 40 ft · 17 ft ceiling
Max capacity350
Floor area3200
Dimensions80 x 40 ft
Ceiling height17 ft
Configurations5
Capacity by setup
350
Theater
200
Banquet
140
Classroom
30
U-Shape
240
Reception

Amberley

3040 · 80 x 38 ft · 8 ft ceiling
Max capacity240
Floor area3040
Dimensions80 x 38 ft
Ceiling height8 ft
Configurations5
Capacity by setup
175
Theater
200
Banquet
75
Classroom
30
U-Shape
240
Reception

Terrace Ballroom

2000 · 50 x 40 ft · 16 ft ceiling
Max capacity275
Floor area2000
Dimensions50 x 40 ft
Ceiling height16 ft
Configurations5
Capacity by setup
275
Theater
120
Banquet
80
Classroom
30
U-Shape
150
Reception

Monterey

1960 · 70 x 28 ft · 10 ft ceiling
Max capacity175
Floor area1960
Dimensions70 x 28 ft
Ceiling height10 ft
Configurations5
Capacity by setup
175
Theater
100
Banquet
50
Classroom
30
U-Shape
120
Reception

Boardroom

726 · 33 x 22 ft · 8 ft ceiling
Max capacity0
Floor area726
Dimensions33 x 22 ft
Ceiling height8 ft
Configurations0
Capacity by setup

Iowa

576 · 24 x 24 ft · 8 ft ceiling
Max capacity60
Floor area576
Dimensions24 x 24 ft
Ceiling height8 ft
Configurations5
Capacity by setup
60
Theater
40
Banquet
24
Classroom
20
U-Shape
60
Reception

Key amenities

Everything available on-site for your event and guests.

Interactive Map

  • Complimentary coffee in lobby
  • Complimentary newspaper in lobby
  • Hairdresser/barber
  • Video checkout

Other Hotel Service

  • Accessible parking
  • Complimentary in-room coffee or tea
  • Concierge desk
  • Indoor parking
  • Long term parking
  • Motorcycle parking
  • Off-Site parking
  • On-Site parking
  • Parking fee managed by hotel
  • Valet parking

Recreational facilities

  • Anytime Fitness South Sioux City
  • Belle Salon & Spa
  • Casino
  • Childrens Pool Outdoor
  • Drop Zone Family Fun Center
  • Fitness Center
  • Game room
  • LaunchPAD Children's Museum
  • Lewis Pool
  • Maximum Swimming Pool Depth
  • Outdoor Pool Seasonality Start
  • Pearl Street Park
  • Restricted age for Children w/o Adult Supervision
  • Riverside Public Swimming Pool
  • Seasonal Outdoor Pool (June-September)
  • Sioux City Public Museum
  • Swimming Pool Location Outdoor
  • Towels Provided Provide for Guest at Outdoor Swimming Pool

Location & transportation

385 East 4th Street, South Sioux City, Nebraska

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