Quick Stop · One Umbrella · Open Daily
The Sea Store
Quick stop for everything you need — groceries, beer, bait, ice. Plus South Dakota video lottery and soft-serve cones. Across the street from the Hillside, under one umbrella.
Peak Season Hours
Hours change seasonally — call the store at (605) 929-5507.
Sunday
8am – 9pm
Monday – Saturday
7am – 9pm
Why The Sea Store Matters
You don't have to drive to Madison.
The closest grocery store is 9 miles. The closest bait shop is further. The closest gas station closes at 9pm. The closest ATM is at the bank in town.
The Sea Store sits directly across the street from the resort — under one umbrella, same standards, walk-across distance. A weekend at Hillside doesn't require a single trip off the neighborhood. Whatever you need, whatever you ran out of, whatever you didn't realize you'd need until 9:45pm on a Saturday — we have it.
Officially: Cones, Casino, & Conveniences. The soft-serve cones are a real thing.
What's Inside
Nine categories, one stop.
Groceries + Essentials
Milk, eggs, bread, sandwich fixings, snacks, frozen items, paper goods. Your nearest stop without driving to Madison.
Video Lottery
South Dakota video lottery machines on-site. Open to 21+ during store hours.
Soft-Serve Cones
Vanilla, chocolate, and swirl. The 'Cones' in 'Cones, Casino & Conveniences.'
Beer + Spirits
Cold beer, local SD breweries, full liquor + wine selection.
Bait + Tackle
Bait vending machine outside — live minnows, leeches, crawlers. Lures, line, and terminal tackle in-store.
Lake-Branded Apparel
Hillside merch, Lake Madison tees, swimwear, sun shirts, hats, koozies.
Fuel + Propane
Gas pump on-site. 20lb propane exchange and refill.
ATM
On-site ATM. Cash for the lottery, tips for the captain.
Ice + Cooler Supplies
Block + cube ice, cooler bags, water by the case, dog supplies.