The glass-walled bathroom did not provide enough privacy (cover) from the other occupants of the room.
Eating that great breakfast in a windowless fish restaurant below ground was a bit off-putting.
WiFi access was a bit cumbersome - you had to get a computer-generated username and password from the reception desk, one per device. We had an iPhone, two iPads and a laptop.
Smoking was allowed on the balconies of non-smoking rooms - our neighbors were smoking out on their balcony at 3 a.m., a mere 3 meters from where I was sleeping! The room was stuffy without the window (balcony sliding door) open, but that meant cigarette smoke drifting in and waking us every time they were puffing away out there. So that's not a good design for Americans who have gotten used to being spared second-hand smoke just about everywhere, day and night.
There did not seem to be good parking alternatives nearby in town. If you pay for the underground garage, you have to stow your car in a cage on a lift system, which means it takes a bit of time to park and to retrieve.
The hotel does not cover your resort tax ("Kurtaxe" - we paid an extra 2.60 Euro per person for access to the beach and other resort amenities).
Construction in the area created more noise (and earlier in the morning) than we would have liked.
Beautiful white sand.
Partial view of the water.
Fabulous breakfast buffet, but a bit awkward served in the subteranean Fischmarkt restaurant.
Staff provided extra pillows and a toothbrush and toothpaste.
Room was very clean and pleasant, with minibar, safe, TV.
Parking in the underground garage was an 10 Euro for 24 hours, but convenient.
I was traveling with my 91 year old mother and the staff was very solicitous and kind accommodating her needs.