How many event spaces does Portland Marriott Downtown Waterfront have?

Portland Marriott Downtown Waterfront has 35 event spaces totaling 93,515 sq ft.

What is the largest event space at Portland Marriott Downtown Waterfront?

The largest event space at Portland Marriott Downtown Waterfront is Oregon Ballroom, which holds up to 2,000 guests across 14,144 sq ft.

What is the banquet capacity of Oregon Ballroom at Portland Marriott Downtown Waterfront?

Oregon Ballroom seats up to 1,180 guests in a banquet layout.

How many people fit in Oregon Ballroom theater-style?

Oregon Ballroom holds up to 2,000 guests in a theater setup.

What are the dimensions of Oregon Ballroom?

Oregon Ballroom measures 136 × 104 ft (14,144 sq ft) with 16 ft ceilings.

Portland Marriott Downtown Waterfront — Event Spaces, Floor Plans & 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.

Between them, the 35 rooms accommodate theater-style sessions for up to 2,000, seated banquets for 1,180 and standing receptions for 2,000. 9 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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Floor plans

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

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Room capacities & dimensions

Room capacities and dimensions for Portland Marriott Downtown Waterfront
Space		Ceiling
3/4 BallroomPlan this room →	11,128 sq ft1,034 m²	13.6 ft4.1 m	—	—	—	1,750	—	—
BelmontPlan this room →	336 sq ft31 m²	9.8 ft3 m	24	40	21	30	20	—
ColumbiaPlan this room →	928 sq ft86 m²	9.6 ft2.9 m	60	90	56	100	40	36
EugenePlan this room →	675 sq ft63 m²	9.6 ft2.9 m	40	60	39	60	22	20
Exhibit HallPlan this room →	15,500 sq ft1,440 m²	9.6 ft2.9 m	700	—	—	1,000	—	—
HawthornePlan this room →	336 sq ft31 m²	9.8 ft3 m	24	40	21	30	20	—
LaurelhurstPlan this room →	336 sq ft31 m²	9.8 ft3 m	24	40	21	30	20	—
Meadowlark or Douglas FirPlan this room →	340 sq ft32 m²	8.6 ft2.6 m	30	50	24	50	20	20
Meadowlark/Douglas FirPlan this room →	680 sq ft63 m²	8.6 ft2.6 m	70	89	42	90	—	—
MedfordPlan this room →	483 sq ft45 m²	9.6 ft2.9 m	30	50	32	45	20	20
Mount St. HelensPlan this room →	2,038 sq ft189 m²	9 ft2.7 m	120	130	72	130	36	36
Mt. HoodPlan this room →	1,780 sq ft165 m²	10 ft3 m	160	200	100	200	48	46
Oregon BallroomPlan this room →	14,144 sq ft1,314 m²	16 ft4.9 m	1,180	2,000	1,000	2,000	—	—
Oregon Ballroom FoyerPlan this room →	3,000 sq ft279 m²	—	—	—	—	250	—	—
PearlPlan this room →	792 sq ft74 m²	9.8 ft3 m	50	80	40	60	30	30
PortlandPlan this room →	594 sq ft55 m²	9.6 ft2.9 m	40	60	39	60	22	20
SalemPlan this room →	399 sq ft37 m²	9.6 ft2.9 m	30	42	28	35	20	18
SalmonPlan this room →	500 sq ft46 m²	9.6 ft2.9 m	30	46	24	50	20	20
Salon A or GPlan this room →	928 sq ft86 m²	13.6 ft4.1 m	60	90	52	110	28	25
Salon B, C or HPlan this room →	609 sq ft57 m²	13.6 ft4.1 m	40	60	40	60	22	20
Salon DPlan this room →	870 sq ft81 m²	13.6 ft4.1 m	60	90	52	110	28	25
Salon E or FPlan this room →	4,056 sq ft377 m²	16 ft4.9 m	270	500	272	525	—	—
Salon IPlan this room →	1,479 sq ft137 m²	13.6 ft4.1 m	110	192	85	150	40	45
Salons AB or GHPlan this room →	1,537 sq ft143 m²	13.6 ft4.1 m	100	170	90	150	40	45
Salons ABCPlan this room →	2,146 sq ft199 m²	13.6 ft4.1 m	180	220	132	200	58	65
Salons ABCDPlan this room →	3,016 sq ft280 m²	13 ft4 m	240	310	190	275	—	—
Salons ABCDE or FGHIPlan this room →	7,072 sq ft657 m²	13.6 ft4.1 m	500	700	480	1,000	—	—
Salons BCPlan this room →	1,218 sq ft113 m²	13.6 ft4.1 m	80	150	77	110	32	32
Salons BCD or HIPlan this room →	2,088 sq ft194 m²	13.6 ft4.1 m	180	200	132	200	58	65
Salons CDPlan this room →	1,479 sq ft137 m²	13.6 ft4.1 m	100	175	90	150	40	45
Salons EFPlan this room →	8,112 sq ft754 m²	16 ft4.9 m	600	900	500	1,000	—	—
Salons GHIPlan this room →	3,016 sq ft280 m²	13.6 ft4.1 m	240	300	190	200	—	—
SunstonePlan this room →	458 sq ft43 m²	8.6 ft2.6 m	30	46	25	50	18	20
WillamettePlan this room →	442 sq ft41 m²	9.6 ft2.9 m	30	28	24	40	14	14

Additional spaces (dimensions only) (1)

Additional spaces with published dimensions only at Portland Marriott Downtown Waterfront
Space	Sq ft / m²	Ceiling
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.

Frequently asked questions

How many event spaces does Portland Marriott Downtown Waterfront have?: Portland Marriott Downtown Waterfront has 35 event spaces totaling 93,515 sq ft.
What is the largest event space at Portland Marriott Downtown Waterfront?: The largest event space at Portland Marriott Downtown Waterfront is Oregon Ballroom, which holds up to 2,000 guests across 14,144 sq ft.
What is the banquet capacity of Oregon Ballroom at Portland Marriott Downtown Waterfront?: Oregon Ballroom seats up to 1,180 guests in a banquet layout.
How many people fit in Oregon Ballroom theater-style?: Oregon Ballroom holds up to 2,000 guests in a theater setup.
What are the dimensions of Oregon Ballroom?: Oregon Ballroom measures 136 × 104 ft (14,144 sq ft) with 16 ft ceilings.

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Portland Marriott Downtown Waterfront — Event Spaces, Floor Plans & Capacities

Floor plans

Room capacities & dimensions

Frequently asked questions

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