Portland Marriott Downtown Waterfront — Event Spaces & Capacities

1401 SW Naito Pkwy, Portland, OR 97201

With 35 event spaces across 93,515 sq ft8,688 m² of function space, Portland Marriott Downtown Waterfront is a flexible choice for meetings and celebrations in Portland. The largest room, Oregon Ballroom, hosts up to 2,000 guests. Full capacity details for each room are below.

Plan your event in this space — free

Floor plans

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

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

Work at this venue? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

Room capacities and dimensions for Portland Marriott Downtown Waterfront
SpaceCeiling
3/4 BallroomPlan this room →11,128 sq ft1,034 m²13.6 ft4.1 m———1,750——
BelmontPlan this room →336 sq ft31 m²9.8 ft3 m2440213020—
ColumbiaPlan this room →928 sq ft86 m²9.6 ft2.9 m6090561004036
EugenePlan this room →675 sq ft63 m²9.6 ft2.9 m406039602220
Exhibit HallPlan this room →15,500 sq ft1,440 m²9.6 ft2.9 m700——1,000——
HawthornePlan this room →336 sq ft31 m²9.8 ft3 m2440213020—
LaurelhurstPlan this room →336 sq ft31 m²9.8 ft3 m2440213020—
Meadowlark or Douglas FirPlan this room →340 sq ft32 m²8.6 ft2.6 m305024502020
Meadowlark/Douglas FirPlan this room →680 sq ft63 m²8.6 ft2.6 m70894290——
MedfordPlan this room →483 sq ft45 m²9.6 ft2.9 m305032452020
Mount St. HelensPlan this room →2,038 sq ft189 m²9 ft2.7 m120130721303636
Mt. HoodPlan this room →1,780 sq ft165 m²10 ft3 m1602001002004846
Oregon BallroomPlan this room →14,144 sq ft1,314 m²16 ft4.9 m1,1802,0001,0002,000——
Oregon Ballroom FoyerPlan this room →3,000 sq ft279 m²————250——
PearlPlan this room →792 sq ft74 m²9.8 ft3 m508040603030
PortlandPlan this room →594 sq ft55 m²9.6 ft2.9 m406039602220
SalemPlan this room →399 sq ft37 m²9.6 ft2.9 m304228352018
SalmonPlan this room →500 sq ft46 m²9.6 ft2.9 m304624502020
Salon A or GPlan this room →928 sq ft86 m²13.6 ft4.1 m6090521102825
Salon B, C or HPlan this room →609 sq ft57 m²13.6 ft4.1 m406040602220
Salon DPlan this room →870 sq ft81 m²13.6 ft4.1 m6090521102825
Salon E or FPlan this room →4,056 sq ft377 m²16 ft4.9 m270500272525——
Salon IPlan this room →1,479 sq ft137 m²13.6 ft4.1 m110192851504045
Salons AB or GHPlan this room →1,537 sq ft143 m²13.6 ft4.1 m100170901504045
Salons ABCPlan this room →2,146 sq ft199 m²13.6 ft4.1 m1802201322005865
Salons ABCDPlan this room →3,016 sq ft280 m²13 ft4 m240310190275——
Salons ABCDE or FGHIPlan this room →7,072 sq ft657 m²13.6 ft4.1 m5007004801,000——
Salons BCPlan this room →1,218 sq ft113 m²13.6 ft4.1 m80150771103232
Salons BCD or HIPlan this room →2,088 sq ft194 m²13.6 ft4.1 m1802001322005865
Salons CDPlan this room →1,479 sq ft137 m²13.6 ft4.1 m100175901504045
Salons EFPlan this room →8,112 sq ft754 m²16 ft4.9 m6009005001,000——
Salons GHIPlan this room →3,016 sq ft280 m²13.6 ft4.1 m240300190200——
SunstonePlan this room →458 sq ft43 m²8.6 ft2.6 m304625501820
WillamettePlan this room →442 sq ft41 m²9.6 ft2.9 m302824401414
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Portland Marriott Downtown Waterfront
SpaceSq ft / m²Ceiling
Exhibit Hall FoyerPlan this room →1,000 sq ft93 m²—

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