Unclaimed. A really special spectacular place if you are OK with camping. The plumbing is pretty rustic. Gyms · Massage · Things to Do · Mexicali, BCN · Arts & Entertainment · Casinos. Casinos. Arenia. 2 reviews and 2 photos of Arenia "I was a loyal customer for five years until August first of when I was sitting on a bench waiting for my vehicle to. Arenia. Add Review. (2 reviews). Arenia CasinoHotels near Instituto de Investigaciones Culturales - Museo Casino Golden LionHotels near Bosque de la Ciudad de MexicaliHotels near Momentours. Directions. . Definitely need to bring your own tent and food and drinks.