Brandt Point Inn is affordable and easy-going and - bonus - located within walking distance to Town. Peak season rates run $165-245 per night.
Brant Point Inn:
Website: www.brantpointinn.com
508.228.5442 or 508.228.5451
The Nantucket Whaler Guest House is a former whaling caption turned into a small inn. Summer rates run $325-$425 per night.
Nantucket Whaler Guest House:
www.Travel.IAN.com/Nantucketwhaler
Other hotels/Inns
There are plenty of options on Nantucket - but they fill up quick. Try using Hotels.com for a search:
http://Travel.IAN.com
Feature Hotel/Resort of the Month:
Nantucket Whaler Guest House
This former home of a whaling captain is now a small, sophisticated Inn. All Of The Accommodations Are Gracious And Generously Sized.