Just found that on the "spotted by locals" webblog and thought it would be interesting to post it on here.
http://www.spottedbylocals.com/geneva/le-bateau/ Le Bateau is a “summer place”. Eating and dancing in an authentic boat with an amazing view of the lake and the “Jet d’eau” is a great experience! The buvette is now open, you can eat tapas or raclette from Tuesday to Saturday.
go on the blog to read the full article.