From sea kayaking under Marjan to a konoba dinner in Varoš, these are the activities we would actually spend our own money on — with real prices, honest durations and where to book.
Ninety minutes through the palace with a guide who lives inside it: the Golden Gate, the cellars, the Peristyle, the cathedral and the streets in between. Small group, no flag, and a proper explanation of why a Roman emperor retired to a cabbage patch in Dalmatia.
Ninety minutes through the palace with someone who can explain what you are looking at. Worth it on your first morning: the palace makes far more sense with a guide, and everything you do afterwards is better for it.
Two hours around the palace cellars, the Peristyle and the Klis-facing viewpoints where Meereen was filmed. Honest verdict: worth it if you love the show, skippable if you merely watched it — a standard palace tour covers the same stones with more history.