Abstract: A floater golf ball of molded construction, having a specific gravity of less than about 0.98 is made to conform to the regulations of the United States Golf Association, by a method of compounding a polymeric composition comprising a mixture of elastomers, monomer, polymerization initiator, reinforcing filler materials and flotation materials, said mixture having dispersed therein, a predetermined amount of the flotation material comprising microscopic hollow glass spheres of from about 5% to about 10% by weight of the mixture, and molding and polymerizing said mixture into a golf ball sphere under pressure.