Walmart Supercenter which is open 24/7. They have food, clothing, pharmacies with all possible medicines, furniture, shoes, canoes and other sports, household goods, furnishings, bicycles, toys and electronics.

Sanibel Outlet: 20350 Summerlin Rd, Fort Myers, FL 33908
A decent outlet that has most brands. Good parking. OUR FAVORITE!

Estero Outlet i 10801 Corkscrew Rd, Estero.
Here you find as many shops and brands as possible. Very large outdoor outlet with more visitors than in Sanibel.