Find Hotels with Waterslides in Lower Saxony North Sea Coast

"My family and I drove 3 hours to get to this place,it is not your typical hotel , its a time share place, but real old and really run down, i had a large cottage booked with kitchen an 2 story, After checking in and going to the cottage, the cottage had not been cleaned, and smelled of fabrez so strong it made my daughter uncontrolady ill, so after 2 hours of this, we checked out And drove 3 hours back, this in my opinion was the worst hotel i have ever had the misfortune of acutely seeing,...