About me:
Our personally managed company FOSI has been arranging holiday properties in Rantum and Hörnum for over 15 years.
We welcome you directly at the rented holiday apartment and are also your contact person during your holiday.
We are looking forward to your inquiry.
Sylt Island greetings
Tessa Siep & Harald Fornoff
We welcome you directly at the rented holiday apartment and are also your contact person during your holiday.
We are looking forward to your inquiry.
Sylt Island greetings
Tessa Siep & Harald Fornoff
Welcome toHarald Fornoff & Tessa Siep!


Landlord | Harald Fornoff & Tessa Siep |
I speak: |
![]() ![]() ![]() |
Our holiday homes:
Number of Holiday Homes:15
Haus Ruusenhoog, App.2
Sylt - Rantum
Holiday Apartment - max. 2 Guests - 42m².
Rüm Hart II, Wohnung 12
-
wohnung - max. 3 Guests - 58m².
Residenz am Meer, Wohnung 17
-
wohnung - max. 4 Guests - 63m².
Haus Ruusenhoog, App.6
-
wohnung - max. 2 Guests - 30m².
Rüm Hart I, Wohnung 3 A
-
wohnung - max. 4 Guests - 54m².
Haus Hoppel, FeWo EG
Sylt - Rantum
Holiday Apartment - max. 3 Guests - 54m².
Rüm Hart I, Wohnung 2 A
-
wohnung - max. 4 Guests - 65m².
Haus Ruusenhoog, App.1
Sylt - Rantum
Holiday Apartment - max. 2 Guests - 46m².
Haus Ruusenhoog, App.4
-
wohnung - max. 1 Guests - 17m².
Haus Ruusenhoog, App.7
-
wohnung - max. 2 Guests - 50m².
Haus Ruusenhoog, App.3
Sylt - Rantum
Holiday Apartment - max. 2 Guests - 35m².
Rüm Hart II, Wohnung 11
-
wohnung - max. 4 Guests - 50m².
Haus Ruusenhoog, App.5
-
wohnung - max. 2 Guests - 44m².
Rüm Hart I, Wohnung 9 A
-
wohnung - max. 4 Guests - 62m².
Rüm Hart II - Wohnung 5
-
wohnung - max. 3 Guests - 68m².