The San Marcos River Foundation (SMRF) is a nonprofit 501(c)(3) corporation founded in 1985 during the Sesquicentennial celebration for the community by a small group of San Marcos citizens with a mission to preserve and protect the flow, natural beauty and purity of the San Marcos River.
  Join SMRF

We invite you to become a San Marcos River Foundation member, and help us
protect the San Marcos River.

You may download a printable membership form and mail it in with a check to join SMRF.
Click here for the form.

You may also enjoy the convience of purchasing a membership or making a donation online with your credit card through PayPal. If you would like to take advantage of this, just choose your selection below. You do not have to have a PayPal account to join online via credit card.

When you go to the checkout portion of the purchase and you want to purchase through your credit card only, choose the selection "If you do not currently have account at PayPal click here".
This will bypass the login for PayPal users, and this will take you to PayPal's secure server for online purchases.

If you do have a PayPal account and would rather transfer your funds for your purchase, immediately under the credit card option is a space to login to your account.

Please note, if your purchase a membership or make a donation online, please be sure to submit your contact info on the online form so we can personally thank you and have
your contact info in our database!



Student - $15.00


Regular - $35.00


Lifetime - $500.00