Arkup, the innovative Miami startup, just launched its latest yacht/houseboat/floating home, a 40-footer that provides what the company calls “the ultimate user experience.” Arkup launched its first project, a 70-footer, more than two years ago, and so far it’s been featured in Architectural Digest, among other publications, and several music videos. The 70 carried a price tag of just under $6 million. We don’t have a price on the new 40 yet, but it’s certainly aimed at a broader market. The appeal of an Arkup is that it has four retractable stainless steel columns, or “spuds,” that can be deployed…