Vallensbaek Sailing Club will offer camping on site and this information will be added later on.
But if you prefer to sleep at a hotel or a cabin, then please consider the below different choices.
Privat rental of summerhouses and rooms:
Huts at local campsite:
Rooms at a local restaurant:
Other booking sites:
http://www.booking.com/ is one of the easiest sites to find your booking, but please keep in mind the distance from the harbour as their results are all over Copenhagen!
This is a quick search using momondo hotel finder.