Isleta Resort & Casino last week announced a new partnership with BetMGM to head up operations of its sportsbook — the first time the MGM. This thoughtfully designed boutique with beautiful views over Mombacho Volcano sits in on a tropical private island in the middle of Lake Nicaragua, and serves. 1, /PRNewswire/ -- BetMGM, a leading sports betting and iGaming operator, today announced the opening of a new retail sportsbook at Isleta. Best Casino Hotels in Nicaragua on Tripadvisor: Find traveler reviews, candid photos, and prices for 7 casino hotels in Nicaragua. The Isleta Resort and Casino provides a world-class vacation right in the middle of the desert, with amazing views from the many stories of the hotel. to get to the Isleta Central AmericaNicaraguaGranada DepartmentGranada. . . This 2-room, 3-star hotel welcomes guests with. Isleta El Recedo is located within a minute drive of Lake Nicaragua and Rerserva Nacional Volcan Mombacho. The restaurant has lots of food choices but you can bring your own food and drinks.