A load-bearing structure that floats in the open sea and is connected to anchors via tension means, for wind power plants, service stations or converter stations, with - an underwater load-bearing structure with, as core load-bearing structure, first buoyancy bodies that are arranged at the corners of a polygon and are connected to one another via in each case at least one first spacer body and act as supports for a load-bearing frame, and with second buoyancy bodies that are arranged as outriggers of the first buoyancy bodies, wherein each of the second buoyancy bodies is connected to its two adjacent first buoyancy bodies via at least one second spacer body, and - the load-bearing frame for the wind power plant, the service station or the converter station, characterized in - that for connecting the first buoyancy bodies to one another and for connecting the first buoyancy bodies to the second buoyancy bodies, in each case at least two rod-shaped spacer bodies (8, 9) are arranged spaced apart from one another, - that the two rod-shaped spacer bodies (8, 9) that are arranged spaced apart from one another are connected to one another via at least one strut, - that the end regions of the rod-shaped spacer bodies (8, 9) are located within the buoyancy body (6, 7), - that the rod-shaped spacer bodies (8, 9) are connected to one another via a supporting rod in the buoyancy body (6, 7) so that the underwater load-bearing structure is a load-bearing rod structure with the buoyancy bodies (6, 7), and the nodal points are located between rod-shaped spacer bodies (8, 9) and the supporting rod as well as between rod-shaped spacer bodies (8, 9) and the strut in the buoyancy body (6, 7), - that the load-bearing frame is a load-bearing rod frame so that the load-bearing rod frame in connection with the load-bearing rod structure with the buoyancy bodies (6, 7) is a three-dimensional load-bearing rod structure with buoyancy bodies (6, 7), - that the load-bearing bodies protruding above and thus cutting through the water surface are components of the load-bearing frame, and - that the load-bearing body has at least one ice-breaking and repelling edge or a cone or is formed conically at least in certain sections. - an underwater load-bearing structure with, as core load-bearing structure, first buoyancy bodies that are arranged at the corners of a polygon and are connected to one another via in each case at least one first spacer body and act as supports for a load-bearing frame, and with second buoyancy bodies that are arranged as outriggers of the first buoyancy bodies, wherein each of the second buoyancy bodies is connected to its two adjacent first buoyancy bodies via at least one second spacer body, and - the load-bearing frame for the wind power plant, the service station or the converter station, characterized in - that for connecting the first buoyancy bodies to one another and for connecting the first buoyancy bodies to the second buoyancy bodies, in each case at least two rod-shaped spacer bodies (8, 9) are arranged spaced apart from one another, - that the two rod-shaped spacer bodies (8, 9) that are arranged spaced apart from one another are connected to one another via at least one strut, - that the end regions of the rod-shaped spacer bodies (8, 9) are located within the buoyancy body (6, 7), - that the rod-shaped spacer bodies (8, 9) are connected to one another via a supporting rod in the buoyancy body (6, 7) so that the underwater load-bearing structure is a load-bearing rod structure with the buoyancy bodies (6, 7), and the nodal points are located between rod-shaped spacer bodies (8, 9) and the supporting rod as well as between rod-shaped spacer bodies (8, 9) and the strut in the buoyancy body (6, 7), - that the load-bearing frame is a load-bearing rod frame so that the load-bearing rod frame in connection with the load-bearing rod structure with the buoyancy bodies (6, 7) is a three-dimensional load-bearing rod structure with buoyancy bodies (6, 7), - that the load-bearing bodies protruding above and thus cutting through the water surface are components of the load-bearing frame, and - that the load-bearing body has at least one ice-breaking and repelling edge or a cone or is formed conically at least in certain sections.