We had the same problem this week. I phoned them though and told them it was insane and they matched our best quotes elsewhere which may have even been a little optimistic
I was in Monaco last weekend. We stayed at the meridien but it wasn't quite as expensive
Awesome place though and if you're worth a few million it would be money well spent.
Saw some awesome machinery whilst there with an F50 being the highlight. I'll chuck some pics up at weekend when I get some time