Along with it's other services, Hubspot has the option to build a website or landing pages through them. Hubspot's website builder is a closed CMS obviously, everything is done directly via Hubspot. Like many other hosted CMS', building a website with Hubspot's CMS requires no coding knowledge what so ever. All you need to do is add elements in the editor area and publish.
Hubspot's CMS created great looking responsive design content and allows you to publish different content depending on the visitor's device (desktop, mobile etc.).
The above prices are for Hubspot's entire marketing solutions and not just for a website. If you want to add a website to your marketing efforts on Hubspot, these are the prices for you: