I'm really disappointed to say that what started out as a real treat turned into a very unhappy situation. We stayed in the Serena for just one night and money was stolen out of the safe in our room, one of those ones where you put your own pin in. I now see that sadly other travellers have had the same experience. The staff seemed helpful at first but then I realised they did not look even remotely surprised. Later they admitted they had a machine on the premises that could read the last 400 entries typed into the safe!
I live in Kenya and unfortunately corruption is very common, including amongst security staff. What normally happens is they blame the person who cleans the room, even though the cleaner clearly would not have the means to break into a locked safe, which more senior staff do. If you are already booked into this hotel just be very careful.