updated link for all Deep Web markets
You are allowed to log into certain Dark Web markets using only the links, which suggests next : upcoming clients and dealers lack the ability to register before they will obtain an alternative URLs from an previously enlisted vendor or buyer.
Look at http://deeponionmarkets.com/, it has fresh link to suggested Deep Web marketplaces. You should go to these alternative link to register on the sites.
If there are some troubles with an access,for example, links won’t work, you should hang around and check for Deep Web marketplaces link. Keep trying, as some of the marketplaces shut down and launch signing up from time to time, depending on server load.