1/14/13 Joining Sitzmark and becoming an official member is now easier than ever. Simply fill out the on-line form and pay with Paypal or print the pdf membership form and mail a check payable to Sitzmark, to Wayne McRoberts 21337 Heath Avenue Court North, Forest Lake, MN 55025. If you have any questions, or need help, please send an email to membership@sitzmarkmn.org and we’ll get back to you right away. We hope to meet you soon at our next event! PDF: