Delfinburg

Delfinburg is a flotilla of stabilized superbarges with:

many-tiered units;
minerals-extraction plants;
fish-herding submarines;
factories transforming seaweed into condiments;
hanging gardens;
shops;
parks;
schools;
recreation centers;
sportboats;
van Rijn's mansion with an upper-level solarium housing a temporary office containing phones, computers, recorders, data retrievers etc, van Rijn himself in a sarong and lei on a lounger, his chief secretary who is of a warrior caste in a tigerish species, an assistant secretary, loudspeakers emitting Mozart's Eighth Symphony and women fetching beer and fresh Danish sandwiches or lighting a Trichinopoly cigar.
(The Van Rijn Method, pp. 384-385) For other food, see here.