Get up to 50% off across a fairly wide range of mens / womenswear, homeware and lingerie. See full range here
most sale items can be purchased in-store or online. A few are online only.
free delivery for online orders if you spend €30 or more
if you've got a Supervalu club card, you could get 2% back (as Supervalu pts) on M&S online purchases. You need to click through to M&S website via Supervalu eShops M&S page.