KRAIN is the Leading Real Estate Brokerage in Guanacaste with offices in Tamarindo, Flamingo, Potrer, KRAIN has four real estate offices located in the Guanacaste region of Costa Rica. Office locations include Flamingo, where the new $50 million dollar Flamingo Marina is underway. This marina will have 177 boat slip and cater to the luxury yachting market with 100 foot berths. Beachfront and ocean view home options are plentiful. Our Playa Potrero office is located in the same bay of the Flamingo Marina and offers titled beachfront homes starting at $1M, walk to beach homes for under $400K, a.