@geo12345 there are a few options for light boats. I prefer packrafts because they blow up fairly quickly, are not terribly expensive, are fairly robust, and are very stable. If you don’t want to invest a lot and only go out on super calm days, the Klymit little water dingy (lwd) is a great choice (orange boat in photos). It’s a glorified sleeping pad, but I’ve never had any issues with it on calm days. If you want something more stable, the company Alpacka has a bunch of models, but the bare bones model is the scout (similar to the green boat in the photos). The Alpacka is more stable and more puncture resistant. If you are more interested something like a collapsible kayak, the company named TuckTex makes nice boats.