hotel Camarena

Etymology
A word play joining +, which sounds like Spanish surname  (having an unrelated origin), referring to sleep in the beach sand, because of a low budget travel to the beach (originally from Mexico City to Acapulco).

Phrase

 * 1)  the beach sand, used as a bed to sleep, or spend the night in a reunion, get-together, meeting, etc.

Usage notes

 * Usually denotes no paying hotel services.