The discovery in the prison in Acapulco came as police prepared to transfer the inmates to a maximum security jail.
The officers also found six female inmates living in the male section of the prison and two peacocks.
Mexican jails are notorious for overcrowding, corruption and rioting.
It is not the first time luxury items like TVs and weapons have been found in a Mexican jail.
In July, prisoners in a jail in Sonora state were found to be running a lottery to raffle off a luxury cell they'd equipped with a fridge, DVD player and air conditioning.
An inspector from the State Commission for the Defence of Human Rights, Hipolito Lugo Cortes, recently denounced conditions in five prisons in Guerrero state, among them the one in Acapulco.
He said inmates were running affairs at these penitentiaries according to their own laws and customs, with little or no control by prison authorities.
A surprise inspection in a prison in Mexico has revealed the presence of 19 prostitutes, 100 plasma televisions, two sacks of marijuana, and 100 cockerels for cock fighting.