There are lots of online market places that allow you to create a shop and sell your photos through their service. We will discuss how to use sites like Etsy, Creative Market and others to sell your work.
Stock Photography Sites
Stock Photography sites require you to create an account and apply to have your photos included on their site for sale as part of their stock collection. You often have to submit photos for review to ensure that the quality of your work is up to their standard. We will discuss this process for site like Fotolia, Adobe Stock, iStockPhoto, Getty Images, Dreamstime, Shutterstock, and Alamy.