A circa-1962 physical layout of the facility. Its name was an amalgamation of its status as an "EAST PORT(land)" shopping complex. The original mall housed forty stores and services, with its anchor being PDX-based Lipman & Wolfe. The parking lot had space for 2,500 autos.

EASTPORT PLAZA TENANTS 1962:

LIPMAN & WOLFE (with The Tea Room Restaurant and Beauty Salon ) / J.C. PENNEY / J.J. NEWBERRY (with luncheonette and Holland House Cafeteria) / TRADEWELL FOODS supermarket (outparcel) / ALBERTSONS supermarket (outparcel) / Beauty Chateau Salon / Columbian Optical / Comar's Shoes / Eastport Plaza Barber Shop / Eastport Plaza Beauty Shop / Equitable Savings & Loan / Fabric House / Firestone Car Care (outparcel) / Gallenkamp Shoes / Granning & Treece / Hol-N-One Donuts / Hy-Tone Cleaners / Karmelkorn / Leeds Qualicraft Shoes / Lerner Shops / Mario Bisio men's wear / Mode O'Day Frock Shop / Nordstrom's Shoes / Pay 'n Save Drug (with luncheonette) / Plaza Restaurant / S & H Green Stamps Redemption Center / Sleep Shop / Toy World / Turner Insurance / US National Bank (outparcel) /  W.P. Fuller Company / Weisfield's 

A vintage view of the 400-foot open-air (but covered) EASTPORT PLAZA concourse. The mall's 2-level (dry-goods-only) J.C. Penney is seen on the right. 
Photo from http://eastportplaza.blogspot.com / Jeff

A J.J. Newberry 5 & 10 was a junior anchor at the original shopping complex.

Photo from J.J. Newberry Company Annual Report 1960

Holland House Cafeteria & Coffee Shop was an extension of the mall's Newberrys store. 

Photo from J.J. Newberry Company Annual Report 1960

The storefront of Aden & Josi, a popular men's wear retailer.

Photo from the JB Photo Archives