The award-winner practice Mastrominas Architecture, provides hospitality and residential design. Ilias Mastrominas, lead architect, CEO and founder, studied architecture in the Polytechnic School of Milan and in the University of Thessaloniki. The practice was initially established in 1984 on the island of Kos and today it operates both in Kos and Athens. 

Designer of luxurious private residences, office buildings and renowned large-scale resort and boutique hotels,the practice creates projects that obtain commercial success and fame in Greece and abroad.

Over 35 years of experience, the expertise and the deep knowledge in hospitality projects, as well as the continuous seeking for aesthetic adequacy, are summarized in the awarded projects Casa Cook Kos (the first member of the brand Casa Cook created by Thomas Cook Group) and Caravia Beach junior suites & Restaurant.

Among several international awards for its innovative and exclusive architecture based in the re-interpretation of tradional greek architecture with a modern vocabulary, Mastrominas Architecture is the only greek practice that has won the PRIX VERSAILLES (partner of UNESCO) - European winner 2018 for Casa Cook Kos.

The practice disposes great construction experience based in Construction management of large-scale hotel projects. Its construction sector is operated by two companies AVAX GP and IPODOMI SA.They have collaborated with ISV in hotel design projects and in real estate as partners in ISV+M.

Today, Mastrominas ARChitecture, operates both in Athens and Kos, with a group of young architects, aiming to transmute the firm’s significant experience into new ideas.


We provide integrated design to support hospitality projects throughout all the stages, ensuring cost construction benefits and higher performance. Through integrated architectural design we interpret the modern traveler’s oracle who seeks for experiences into investor’s oracle, in order to create a touristic product with identity, consistency and high efficiency.  

Our principles are fine modern design, optimum functional arrangement of spaces, adaptation to the local spatial and cultural characteristics, different approach-concept for every project, landscape adjustment and embed into the fundamentals of traditional Greek architecture, aiming to create cosy and relaxing spaces with outstanding ambience.


1.     Architectural design

2.     Construction design

3.     Interior design and styling

4.     Landscape design

The longtime experience, the perfect knowledge of the complicated function of hospitality buildings, the construction experience, the detailed construction design and the accurate calculation of the schedule and the budget, contribute unique advantages to our projects and our clients.