The Secret Garden: An Exclusive Event Space Welcome to The Secret Garden. Housed on the ground level of the iconic Skt. Petri Hotel, a 1920s listed building, its unique surroundings can comfortably accommodate up to 150 guests. With spacious in-door and outdoor spaces, a bar area and kitchen facilities the possibilities are endless. From conferences to intimate dinners, it's the perfect setting to make your next private event unforgettable.