Contact Sup-Poser is located just in between Scandia & Marine on St. Croix, MN. We take our floating studio to the St. Croix River, Big Marine Lake and any lake in and around the area. Contact us for classes, private lessons and social events! Your Name (required) Your Email (required) Subject Your Message Please enter the text below To use CAPTCHA, you need Really Simple CAPTCHA plugin installed. Δ