It depends on your itinerary, however I recommend two days one evening where you presumably can visit one of many remote islands, similar to Amantani.
Angeliacorby
https://highkeysocial.com/story13380480/journey-information-for-lake-titicaca-puno-in-southern-peru
May Matteson is a 1st grade in Environmental Studies from Crupet
May Matteson is a 1st grade in Environmental Studies from Crupet
Not a couple of visitors claim to have felt on the island of Capri or Sardinia, being in Taquile.
The Uros Islands are more touristy than other Lake Titicaca islands, but this doesn’t mean they aren’t worth visiting.