There are tons of wonderful places to stay in Historic Downtown Wilmington. I have listed some hotels within walking distance but there are plenty of Air B&Bs in the area!
Hotel
Courtyard by Marriott Wilmington Downtown/Historic District
229 North 2nd Street Wilmington, North Carolina 28401 +1 910-632-2900
Hotel
Hampton Inn Wilmington Downtown
225 Grace Street Wilmington, NC 28401 (910) 251-3930
Travel Note
Parking Garage
City of Wilmington
2nd Street Parking Lot
20 S 2nd St
Wilmington, NC 28401