A method for producing an adamantyl (meth)acrylate represented by formula , said adamantyl (meth)acrylate having a formazin standard turbidity of less than 1.7 NTU when being dissolved or diluted in methylethylketone or tetrahydrofuran: wherein in the formula, R1 represents hydrogen or a methyl group; R2 through R4 each independently represent a hydrogen atom, a hydroxyl group, an alkyl group having a carbon number of 1 to 3, an aryl group, an alkoxy group, an aryloxy group, a halogen group, an alkyl halide group, or a hydroxyalkyl group; and n1 represents 0 or 1, and wherein the formazin standard turbidity is defined as a numerical value obtained by dissolving or diluting 10 parts by weight of adamantyl (meth)acrylate in 100 parts by weight of solvent at room temperature to obtain a sample for measurement and then measuring the sample according to the method which is described in JIS K0801; the method comprising the steps of: causing a dehydration esterification reaction of an adamantanol represented by formula and a (meth)acrylic acid in the presence of an acid catalyst and a phenol-based and/or quinone-based polymerization inhibitor; performing refinement while supplying oxygen-containing gas in the presence of a phenol-based and/or quinone-based polymerization inhibitor in post-treatment performed after the dehydration esterification reaction, wherein the refinement comprises the step of performing precise filtration by use of a filter having a pore diameter of 1.0 μm or less: wherein in the formula, R2 through R4 may be the same as, or different from each other, and each represent a hydrogen atom, a hydroxyl group, an alkyl group having a carbon number of 1 to 3, an aryl group, an alkoxy group, an aryloxy group, a halogen group, an alkyl halide group, or a hydroxyalkyl group; and n1 represents 0 or 1, wherein oxygen-containing gas is constantly blown in the refinement step and also in the dehydration esterification reaction, and wherein the oxygen-containing gas used during the dehydration esterification reaction and in the step of performing the refinement has an oxygen concentration of 0.05 to 10% by volume, the oxygen-containing gas used during the dehydration esterification reaction is supplied in an amount of 0.005 to 0.3 L/min with respect to 1 mol of the adamantanol, and the oxygen-containing gas used in the step of performing the refinement is supplied in an amount of 0.005 to 0.3 L/min with respect to 1 mol of the adamantyl (meth)acrylate. causing a dehydration esterification reaction of an adamantanol represented by formula and a (meth)acrylic acid in the presence of an acid catalyst and a phenol-based and/or quinone-based polymerization inhibitor; performing refinement while supplying oxygen-containing gas in the presence of a phenol-based and/or quinone-based polymerization inhibitor in post-treatment performed after the dehydration esterification reaction, wherein the refinement comprises the step of performing precise filtration by use of a filter having a pore diameter of 1.0 μm or less: wherein in the formula, R2 through R4 may be the same as, or different from each other, and each represent a hydrogen atom, a hydroxyl group, an alkyl group having a carbon number of 1 to 3, an aryl group, an alkoxy group, an aryloxy group, a halogen group, an alkyl halide group, or a hydroxyalkyl group; and n1 represents 0 or 1, <EOS>