Yes. You can find Elderflower Liquer listed on the St Germain producer page.

You can shop for it through CBC Liquors in Westford, Massachusetts. The St Germain producer page shows the product the store carries.

You can browse beer, wine, liquor, bourbon, seltzers, ready-to-drink products, cider and mixers. The catalogue includes 6,688 products in stock across 2,327 brands and 288 categories.