Pics of Madeleine and Carl Philip on Mauritius.
http://www.bunte.de/adel/adel-freizeit_did_3226.html
I guess your source was Bunte or Facetoface also, Johanna (?)
So one can“t say, if the Royal couple or Victoria&Daniel were also there.
It seems "uncle" Tord Magnusson was with them. He is consul general for Mauritius