Place cushions around your rug to create comfortable spaces to sit and relax. A rattan chair is a great option for those not wanting to sit on the ground. (Cushions and blankets will make it cosy and comfortable.)
A ceramic stool is a great option for balancing food and drinks.
Every beach outing needs a bar cart, stocked with snacks, water and sodas. Bar carts are easy to move around, and they’ll also keep (most of) the sand off any snacks.
Place drinks and glasses on the top shelf, and add any food on the lower levels, along with utensils and secured napkins.