Provided is a biodegradable resin molded product that exhibits excellent processability and sufficient strength as the molded product, is advantageous in terms of cost and at the same time, has excellent biodegradability under an environment, in particular, marine biodegradability, and a method for producing the same, and pellets used therefor. The molded product is produced using a biodegradable resin composition including a biodegradable resin and heavy calcium carbonate particles in a range by mass of 50:50 to 10:90.