There are no convenience stores on the island. You can shop at supermarkets, pharmacies, liquor stores, etc., but expect to find it difficult to shop late at night because they close relatively early!
It is also recommended that you prepare in advance the necessary amount of medicines for regular use and for travel.
Handmade boxed lunches are available at all stores, but there are no specialized boxed lunch shops.
Please check the business days and hours before visiting restaurants and eateries.