Come down to the Salt Line (by Nats Park) for your Christmas Tree and all your tree trimmings this year, Get your tree and stay for the best oysters and lobster roll in town! Trees, limited edition Foundation ornaments, stands and more – and all proceeds benefit the Foundation. Christmas tree sale hours are 4-9 PM Monday- Friday and 10 AM – 9 PM Saturday – Sunday and get a free hot beverage with any tree purchase!