You are required to access to some amount of Darknet markets with the only help of alternative URL, this implies the following : new vendees and merchants don’t have a possibility register until they will acquire an link from an already enlisted vendor or buyer.
Look at http://deeponionmarkets.com/, it possesses fresh urls to suggested Deepweb markets. You may follow these alternative URLs to get access to the sites.
If there are some problems with an access (links don't work), you should hang around and check for Deep Web markets URLs. Carry on, as long as few marketplaces shut down and open registrations periodically, due to server load.