I don’t think I’ve ever posted up a specifically ‘Spanish’ shop, but one came across our inbox. Lola Freak. Self-describe as Spanish and it looks like some of the themes follow suit, but the site IS in English. They’ve got a Valentine’s Day shirt special running as well, buy 2 get a third free. Also a DIY portion of the site, which I’m guessing is powered by Spreadshirt on the backend?