If you’ve ever started a website, you actually built a digital property. And you can trade this property, just like any product.
Marketplaces and agencies
You can directly reach potential buyers with an offer to buy your website, and I suggest you do so. But, in parallel, you can open a listing on marketplaces or with agencies.
It is a big and active marketplace for a variety of digital products.
This is an agency that does initial screening and accompany the seller and buyer throughout the hand over process.