San Marcos Greenbelt Alliance •  107 E. Hopkins St. Suite 121A; San Marcos, Texas 78667

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Get Involved

Become a Member


We are creating a legacy of conservation for the health and vitality of our community that we hope will last for centuries. You can support this effort by becoming a member. Your membership in San Marcos Greenbelt Alliance is very much appreciated. Click here to join today!

We will do our best to make good use of every dollar by focusing on the conservation and stewardship of natural areas around San Marcos.

Donate By Check: Download and return this form via U.S. mail with your check.

Donate Via PayPal: A PayPal account is not required. Click below, then click Proceed to Checkout and either log into PayPal or opt to pay via credit card without logging in.

Donate Via AmazonSmile: AmazonSmile is a simple and automatic way for you to support SMGA every time you shop, at no cost to you. When you shop at, you’ll find the exact same low prices, vast selection and convenient shopping experience as, with the added bonus that Amazon will donate a portion of the purchase price to SMGA.

The AmazonSmile Foundation will donate 0.5% of the purchase price from your eligible AmazonSmile purchases. From time to time, we may offer special, limited time promotions that increase the donation amount on one or more products or services or provide for additional donations to charitable organizations.

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