Ærø Sailing Association, Marstal Harbour and Ærø Municipality offer camping with camper vans, caravans and tents on the area shown below.
230V power will be available.
And of course you also have the opportunity to stay overnight in your own boat.
In addition to this, there is ample opportunity to spend the night at hotels, bed and breakfasts, hostels, private rooms, campsites, and even in Shelter if it is to be primitive. See Visit Ærøs homepage..
We refer, among other things. to Femmasteren, which is both a Hotel and Hostel right by the harbor.