Boutique hotels furnished stylish are one of the types of accommodation facilities. Quality design and architectural features are the basic values that boutique hotels should provide. In today's architecture, steps need to be taken to keep traditional and local architecture alive. In some cases, it is thought that being inspired by traditional and local architecture as a concept in boutique hotel design, will contribute to the preservation of cultural heritage, beyond imitation and copying. Design processes based on data consisting of both natural and cultural elements have a high potential to ensure the protection and sustainability of cultural heritage. In this context, the use of traditional and local data in boutique hotels is examined through the example of Kerme Ottoman Konak in Muğla Akyaka. The hotel was designed as a museum, equipped with Seljuk, Ottoman and local architectural elements, in order to promote the traditional architectural design culture on a global scale and in compliance with the design parameters added to the zoning rules as a result of Nail Çakırhan houses receiving award for successfully interpreting the traditional. In the study, a case study was conducted. The data was obtained through on-site investigations and from the hotel's website. Spatial design was analyzed within the framework of Ching's concepts of "architecture, form, space and order". The design principles, which include the blending of tradition, locality and modernity in relation to Nail Çakırhan's architecture, are schematized and presented. According to the findings, it has been determined that the hotel is a boutique hotel that can be shown as an example in terms of sustainability in the protection and preservation of cultural heritage with its architectural shaping, interior design, material and furnishing usage, which includes elements from Seljuk, Ottoman and local cultures.