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Based on 115 guest reviews
| Check-in: | 3pm |
| Check-out: | 12PM |
| Year of last renovation: | 2018 |
| Floors: | 6 |
| Rooms: | 161 |
| Corridors: | All rooms have interior hallways |
| Non-smoking rooms: | 161 |
| Rooms with disabled access: | 6 |
| Rooms with two beds: | 44 |
| Suites: | 12 |
| Room windows: | Windows don't open |
| Cleaning frequency: | Daily |
| Meeting rooms: | 7 View spaces |
| Meeting space: | 8791 sq. feet |
| Event space: | Holds 250 people |
| Dist. to food/bars: | On-site |
| Dist. to a 24hr restaurant: | 1.0 Miles |
| Dist. to the nearest gym: | On-site |
| Lounge/Bar hours: | 4:00pm-11pm |
| Federal Emergency Management Agency (FEMA) approved: | Yes |
| Pool Info: We offer our unique indoor/outdoor pool from 6am - 11pm | |
| Ownership: | BHGAH CPLO LLC |
| Cancellation: 48 Hour | |
| Nightly parking: | 7 |
| Typical group deposit: | 0 |
| Total taxes: | 14.07% |
| Total misc. fees: | £0.00 GBP (mandatory resort fees/taxes) |
| Occupancy Tax: | 14.07% |
| Parking Fee: | 0.00 Per Night (Self Parking) |
| Gym Fee: | 0.00 Per Day |
| Rooms Wireless Internet Fee: | 0.00 Per Day |
| Rooms Wired Internet Fee: | 0.00 Per Day (Not Available) |
| Meeting Wireless Internet Fee: | 0.00 Per Day |
| Meeting Wired Internet Fee: | 100.00 Per Day (Dedicated line) |
| Food and Beverage Service Charge: | 22.00% |
| Banquet Bartender Fees: | 125.00 Per Function |
| Chef Attendant Fees: | 100.00 Per Hour |
| Avg. Plated Breakfast Cost: | 17.00 Per Person |
| Avg. Buffet Breakfast Cost: | 21.00 Per Person |
| Avg. Plated Lunch Cost: | 24.00 Per Person |
| Avg. Buffet Lunch Cost: | 27.95 Per Person |
| Avg. Boxed Lunch Cost: | 20.95 Per Person |
| Avg. Plated Dinner Cost: | 34.00 Per Person |
| Avg. Buffet Dinner Cost: | 37.95 Per Person |
| Morning Break Cost: | 6.00 Per Person |
| Afternoon Break Cost: | 10.00 Per Person |
| Banquet Urn of Coffee: | 39.00 Per Item |
| Banquet Soft Drinks: | 3.25 Per Item |
| Banquet Bottled Water: | 3.00 Per Item |
| Banquet Reception w Hors d'oeuvres: | 36.00 Per Person |
Portland International Airport 20 miles. Shuttle service available through several vendors
Local shuttle info: Available upon request within a 5 mile radius of hotel.
We offer a hot cook to order breakfast or choose our buffet option at our wonderful Oswego Atrium Restaurant and Bar.
Service animals complying with ADA Title lll regulations are allowed.
Yes! Pets are allowed.$10 per night
Complimentary WiFi in meeting rooms and sleeping rooms
The AC Hotels highlights above are subject to change without notice.
This chart illustrates seasonality of sleeping room prices for both group/meeting rates and the best online individual traveler rates we could find at the time the group offer was placed. The most competitive group rate shown is 33.6% in February 2025 and the highest average individual rate is $181 in the month of July 2025. This chart will show past seasonality and also project future months. If you are flexible with dates, you may want to consider staying at AC Hotel by Marriott Portland Lake Oswego in a month when rates are lower.
Below are the meeting, conference and event spaces at AC Hotel by Marriott Portland Lake Oswego.
Feel free to use the AC Hotel by Marriott Portland Lake Oswego meeting space capacities chart below to help with your event planning. HotelPlanner specialises in Lake Oswego event planning for hotel rooms and meeting space for corporate events, weddings, parties, conventions, as well as negotiated rates and trade shows.
| Meeting room name | L x W x H (Feet) | Size (sq ft) | Event 5'/6  | Crescent | Classroom | Hollow Square  | U-shape | Boardroom | Convention 8'/10'  | Theatre | Reception | Regist. desk  |
| Plaza Ballroom | 78 x 40 x 10 | 3120 | --/200 | 160 | 80 | -- | -- | -- | 16/13 | 250 | 300 | -- |
Close this Plaza BallroomWith over 3000 square feet of flexible meeting space, we can accommodate events up to 250 people. This ballroom can be divisible into three separate meeting spaces, perfect for social events, multi-day conferences and meetings. Room type: Ballroom Total size: 3120 Sq. Miles Dimensions: 78 x 40 x 10 Ft Floor level: Ground level Power outlets: 25+ Columns: 0 Windows: 0 Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.     | ||||||||||||
| Plaza 1 | 40 x 26 x 10 | 1040 | --/60 | 43 | 36 | 36 | 30 | 25 | --/-- | 100 | 100 | -- |
Close this Plaza 1This Plaza room is the largest of the three Plaza rooms that encompass our Plaza Ballroom. Room type: General Meeting Room Total size: 1040 Sq. Miles Dimensions: 40 x 26 x 10 Ft Floor level: Ground level Power outlets: 8 Columns: 0 Windows: 0 Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.  | ||||||||||||
| Plaza 2 | 33 x 24 x 10 | 792 | --/40 | 28 | 20 | 30 | 24 | 20 | --/-- | 60 | 60 | -- |
Close this Plaza 2This Plaza room is the smallest stand alone meeting room that encompasses our Plaza Ballroom. Any of our Plaza rooms can be combined together to make a larger meeting space. Room type: General Meeting Room Total size: 792 Sq. Miles Dimensions: 33 x 24 x 10 Ft Floor level: Ground level Power outlets: 5 Columns: 0 Windows: 0 Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.    | ||||||||||||
| Plaza 3 | 33 x 28 x 10 | 924 | --/50 | 35 | 32 | 33 | 27 | 24 | --/-- | 80 | 80 | -- |
Close this Plaza 3This Plaza room is the second largest stand along meeting room that encompasses our Ballroom. All of our Plaza rooms can be opened up to another Plaza room to make a larger space. Room type: General Meeting Room Total size: 924 Sq. Miles Dimensions: 33 x 28 x 10 Ft Floor level: Ground level Power outlets: 12 Columns: 0 Windows: 0 Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.  | ||||||||||||
| 6th Floor Executive Conference | 20 x 30 x 8 | 600 | --/30 | 21 | 16 | 24 | 21 | 20 | --/-- | 40 | 40 | -- |
Close this 6th Floor Executive ConferenceOur Executive Conference Room is located on the 6th floor of the hotel with windows overlooking the Lake Oswego area. This particular meeting room has a drop down screen and a private bathroom. Room type: General Meeting Room Total size: 600 Sq. Miles Dimensions: 20 x 30 x 8 Ft Floor level: 6 Power outlets: 20 Columns: 0 Windows: 5 Is there natural light? Yes Are there obstructions? No Are there built in screens? Yes Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.  | ||||||||||||
| Willamette Room | 30 x 50 x 9 | 1200 | --/70 | 40 | 28 | 25 | 25 | 20 | 8/-- | 80 | 80 | -- |
Close this Willamette RoomThis is our newest banquet space since completing a multi-million dollar renovation in October 2016. This room is a wonderful addition offering the perfect location for a social event, breakout room or smaller meeting. Room type: General Meeting Room Total size: 1200 Sq. Miles Dimensions: 30 x 50 x 9 Ft Floor level: Ground level Power outlets: 20 Columns: 1 Windows: 0 Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day.    | ||||||||||||
| Executive Meeting Room | 19 x 35 x 9 | 665 | --/30 | 21 | 16 | 24 | 21 | 20 | --/-- | 40 | 30 | -- |
Close this Executive Meeting RoomRoom type: General Meeting Room Total size: 665 Sq. Miles Dimensions: 19 x 35 x 9 Ft Floor level: Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No Amenities available
We have a food & beverage minimum plus set up fee or room rental for our meeting space; the pricing varies depending on the season/day. | ||||||||||||
Check in time is 3pm based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.
Check out time is 12PM based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.
There are 161 rooms in the property.
Yes, they have 7 meeting rooms that can support various table layouts.
We offer a hot cook to order breakfast or choose our buffet option at our wonderful Oswego Atrium Restaurant and Bar.
$10 per night
Complimentary WiFi in meeting rooms and sleeping rooms
Yes, there is a gym/fitness area available on-site at the property.
Yes, there is a pool on-site at the property. We offer our unique indoor/outdoor pool from 6am - 11pm.
Yes, you can get room block and/or discount for a group if you need 10+ rooms per night. The average groups saves around 25.6%.
