10% off at Marine Depot Get 10% off your entire order at Marine Depot today with coupon code WORKHARD. The usual restrictions apply. Most orders over $175 ship free; order by 3 pm PST and we'll ship your order same-day (in stock items only)! We're also including free T-shirts with all orders over $250. Just be sure to view your cart before you check out so you can select your size.