Hotel Eastlund: http://hoteleastlund.com/
1021 NE Grand Ave, Portland
phone: +1 503-235-2100
6 minutes walk to the venue

Price: USD 169,- plus tax
GROUP code: 171021OAPA

Hotel Doubletree (Hilton): http://doubletree3.hilton.com/en/hotels/oregon/doubletree-by-hilton-hotel-portland-RLLC-DT/index.html#
1000 NE Multnomah St, Portland
Phone: +1 503-281-6111
13 minutes walk to the venue

Price: USD 169 – 199,- plus tax
Link for reduced booking: http://doubletree.hilton.com/en/dt/groups/personalized/R/RLLC-DT-A24-20171024/index.jhtml

Hostel the Society: https://thesocietyhotel.com/
203 NW 3rd Ave, Portland
phone: +1 503-445-0444
20 minutes walk to the venue; 9 minutes by tram

Price: USD 40-89,- plus tax
Booking Code: OAPA

Other hotels (without reduced price booking codes)

https://www.travelportland.com/hotels-deals/
The Downtown and Lloyd District will be closest to the convention center.