The invention relates to a marine pipelaying system comprising a vessel provided with a pipeline launch towers The tower comprises pipe laying equipment defining a tower firing line, and is adapted for launching a pipeline along the firing line into the sea. The system furthermore comprises a hang off module supported in the lower part of the firing line for clamping and supporting the weight of previously launched pipeline as well as a stinger for guiding the launched pipeline. The stinger is supported at its upper end in the lower part of the firing line. The stinger is displaceable from the firing line.
