Here is first information about spending Shabbat in Lisboa. Will send you more soon.
The Rabbi of the 100+ years community is Rabbi Shai Di Martino (his wife is Malka).
His Email is: firstname.lastname@example.org
His home phone is: 00 351 213 879 146
His cell phone # is: 00 351 96 347 5060.
Yes, there is a Chabad there. It is about a year old. I do not have yet the contact info.