Mark Thatcher currently lives in Spain, renting a villa near Marbella in a gated community overlooking the Mediterranean. He has faced difficulties in residency in other countries such as South Africa, Monaco, Switzerland, and Gibraltar, and is known to have a shaky residence status in Spain due to late rent payments. He cannot enter the United States due to a criminal conviction and his access to his children there is limited. Previously, he has resided in various places including the United States, South Africa, Monaco, Gibraltar, and Barbados.