The method for lowering an object to an underwater installation site, wherein a submersible remotely operated vehicle (ROV) having at least one thruster for providing lateral thrust is interconnectable to an object, entails providing a vessel, having a winch and suspension cable; interconnecting and lowering the object and ROV towards the underwater installation site using a suspension cable, providing at least one anchor near the installation site; interconnecting each anchor and ROV with a positioning wire, while the ROV and object are suspended in the holding position; tensioning and adjusting the length of each positioning wire such that the interconnected ROV and object are positioned with respect to the installation site; and further lowering interconnected object and ROV, which are positioned by at least one positioning wire onto the installation site while keeping the interconnected object and ROV suspended from a suspension cable.