A modular deployable shelter for camps, comprising a body made of a flexible material, which can be deployed from a transport position to a position of use, generating an inner trapezoidal living space with a roof at an angle, characterised in that, in the position of use, the shelter comprises a rigid roof plate which closes the upper part of the body when in the deployed position, forming a ventilated space; wherein the floor of the body is closed from the bottom by a rigid floor plate; and wherein the right and left sides of the flexible body, in the position of use, have a longitudinally reinforced bellows structure, also being closed at the front and rear part thereof by rigid panels, the front panel having an opening which defines the entrance of the living space in the deployed position thereof; and wherein the sides of the body, in the deployed position thereof, have panelled reinforcements containing a reinforcement material.