The Onyx is a contemporary hotel located in the Cape Town CBD, offering soundproof rooms for a peaceful and relaxing stay. The rooms are stylishly designed and equipped with modern amenities, providing a comfortable experience. The hotel features a rooftop pool, a fitness center, and a restaurant offering panoramic views of the city. With its central location and soundproof rooms, The Onyx is a great choice for travelers seeking tranquility in the heart of Cape Town.