Marketing channels are numerous. These can be any channel that brings people to your business, including your website. Other examples could be emails, online booking engines, and social media, just to name a few.
Print marketing in its numerous forms is also an option but your return on investment (ROI) tends to be lower. For this reason, we aren't going to focus on that too much here other than to say, it's not a bad idea to have grab and go brochures, flyers or pamphlets at your reception desk. The things people tend to gravitate towards these. But by no means should you spend the majority of your efforts on this.