Munro Aries Sandal

Price Range: $ – $$

At Zappos.com:
Rating: 4 out of 5 stars – 329 ratings
Includes many 5 star reviews from narrow buyers, about half of whom recommended ordering a 1/2 or full size up.
Also includes several reviews from narrow buyers who said the narrow width was too narrow, and a review that said the narrow width was not narrow enough.
View shoe on Zappos site

At Nordstrom Rack:
Rating: 3.3 out of 5 stars – 3 ratings
Nordstrom Rack recommends ordering a 1/2 size up.
Available in narrow and super slim widths.
View shoe on Nordstrom Rack site