There are several popular NFT marketplaces where you can buy, sell, and trade NFTs. Some of the most well-known ones include:
OpenSea: OpenSea is the largest NFT marketplace, with a wide variety of NFTs available for purchase, including art, gaming items, domain names, and more.
Nifty Gateway: Nifty Gateway is a curated NFT marketplace that features drops from popular artists, musicians, and other creators.
SuperRare: SuperRare is an exclusive NFT marketplace that features high-quality, one-of-a-kind art pieces.
Rarible: Rarible is a peer-to-peer NFT marketplace that allows users to create and sell their own NFTs.
Foundation: Foundation is an invite-only NFT marketplace that features high-end art and design NFTs.
NBA Top Shot: NBA Top Shot is an NFT marketplace for NBA collectibles, featuring video clips of NBA highlights and moments.
Axie Marketplace: Axie Marketplace is an NFT marketplace for the popular blockchain-based game Axie Infinity.
These are just a few examples, as there are many more NFT marketplaces popping up all the time.