Yes sure, there are several ways you can sell from your website without utilizing store front.
Take a look at Cart IO, it allows to sell directly from your website content (like images or text) - shoppers don't need to utilize store front at all.
With eez.io you can use links and buy buttons to sell from practically any content out there. With Cart IO, you can create an environment where your shoppers will bypass your entire store during shopping as the entire sale will happen right on your website and your store front will not be utilized at all when you sell via Cart IO.
Please take a look at the following pages:
Megan - eez.io support