I am glad I found this thread. I am also trying to add a sitemap to my site built with GoDaddy's new Websites+Marketing website builder and could not find any option to add a sitemap and could not find any info in their help guides. Like others, I need to add the URL to Google Search Console. I also submitted feedback about the lack of a sitemap option just now along with the fact that GoDaddy really needs to update their help guides to have instructions for their new Websites+Marketing website builder. I am not surprised that they didn't include a sitemap page or feature in the new website builder because there are also many other features/functions/options that are not available in the new website builder that are much needed. For example, being able to included additional tracking codes or ID's beyond Google Analytics which need to be added to the <head> section of the HTML file.
... View more