Play More.
Fix Less.

High-Quality, Low-Maintenance Baseball Fields You Can Be Proud Of


Mar-Co's Washington Ball Mix gives you the best play for the best price. It's the standard in baseball clay mixes, offering both quality and value. One of our most popular baseball infield mixes.

Pitcher's Mound Installation Instructions Video Thumbnail

Pitcher's Mound
Installation Video

This tutorial video will walk you through step-by-step instructions on how to install a clay pitcher’s mound on your field.

Custom Amendment

Mar-Co sports clay products give you the most play for the least cost and maintenance. We’ve developed and tested each product to meet a wide range of unique needs when it comes to your baseball field, while ensuring they all offer easy installation and repair, durability, safety, and optimal drainage and water retention.