Method for managing the acoustic performances of a network of acoustic nodes arranged along towed acoustic linear antennas (20a-20e), the network of acoustic nodes being adapted to determine inter-node distances allowing to locate the acoustic linear antennas, the method comprising the steps of: - obtaining a determined geometric layout of the network of acoustic nodes; - obtaining at least one marine environment property relating to an area of performance of a survey with the network of acoustic nodes, wherein the at least one marine environment property belongs to the group comprising: - sound speed profiles, depending on depth; - bathymetric characteristics; - sub-bottom properties; characterized in that the method comprises the step of: - quantifying the acoustic performances of the network of acoustic nodes, using a sound propagation model, the at least one marine environment property and the determined geometric layout; the step of quantifying the acoustic performances comprising, for at least one given couple of nodes comprising a sender node and a receiver node, steps of: - estimating the propagation properties of an acoustic signal through an underwater acoustic channel between the sender node and the receiver node of the given couple of nodes, using said sound propagation model and knowing: * the immersion depths of the sender node and the receiver node, * a horizontal distance between the sender node and the receiver node, and * the at least one marine environment property, comprising at least an estimate of the sound speed profile of the underwater acoustic channel; - associating an acoustic performance value to the given couple of nodes, as a function of at least one the result of the step of estimating the propagation properties; wherein the method comprises a step of improving the acoustic performances of the network of acoustic nodes, as a function of at least one result of the step of quantifying, taking into account the acoustic performance value associated to the at least one given couple of nodes, and the step of improving the acoustic performances of the network of acoustic nodes comprises: - a step of modifying the determined geometric layout, as a function of at least one result of the step of quantifying, or - a step of adjusting at least one parameter of the network of acoustic nodes, without modifying the determined geometric layout, as a function of the result of the step of quantifying. - obtaining a determined geometric layout of the network of acoustic nodes; - obtaining at least one marine environment property relating to an area of performance of a survey with the network of acoustic nodes, wherein the at least one marine environment property belongs to the group comprising: - sound speed profiles, depending on depth; - bathymetric characteristics; - sub-bottom properties; - sound speed profiles, depending on depth; - bathymetric characteristics; - sub-bottom properties; - quantifying the acoustic performances of the network of acoustic nodes, using a sound propagation model, the at least one marine environment property and the determined geometric layout; the step of quantifying the acoustic performances comprising, for at least one given couple of nodes comprising a sender node and a receiver node, steps of: - estimating the propagation properties of an acoustic signal through an underwater acoustic channel between the sender node and the receiver node of the given couple of nodes, using said sound propagation model and knowing: * the immersion depths of the sender node and the receiver node, * a horizontal distance between the sender node and the receiver node, and * the at least one marine environment property, comprising at least an estimate of the sound speed profile of the underwater acoustic channel; - associating an acoustic performance value to the given couple of nodes, as a function of at least one the result of the step of estimating the propagation properties; - estimating the propagation properties of an acoustic signal through an underwater acoustic channel between the sender node and the receiver node of the given couple of nodes, using said sound propagation model and knowing: * the immersion depths of the sender node and the receiver node, * a horizontal distance between the sender node and the receiver node, and * the at least one marine environment property, comprising at least an estimate of the sound speed profile of the underwater acoustic channel; * the immersion depths of the sender node and the receiver node, * a horizontal distance between the sender node and the receiver node, and * the at least one marine environment property, comprising at least an estimate of the sound speed profile of the underwater acoustic channel; - associating an acoustic performance value to the given couple of nodes, as a function of at least one the result of the step of estimating the propagation properties; - a step of modifying the determined geometric layout, as a function of at least one result of the step of quantifying, or - a step of adjusting at least one parameter of the network of acoustic nodes, without modifying the determined geometric layout, as a function of the result of the step of quantifying.