Southwest Harbor Public Library Finish Line Book Sale Book Sale — Southwest Harbor, ME

338 Main St, Southwest Harbor, ME 04679

Oct 17, 2026 – Oct 18, 2026

9am-3pm both days, about 6,000 books, donation-based.

While we strive for accuracy in our listings, we can't guarantee that all the information is completely accurate or up to date.

Bag Day Profit Calculator

Estimate your cost per book and resale margin before you go.

Bag / Entry Cost ($)

Estimated Books per Bag

Average Estimated Resale Value ($)

Savings vs. ~$17 new retail98%

Estimates only — resale values vary by title, condition, and marketplace fees.