The free SplitCard (valid 72 hours) gives selected free museum admissions and discounts at participating restaurants, shops and services. You get it free if you stay five nights or more from April to October, or two nights or more from November to March; collect it at a tourist information centre. It does not include public transport.
visitsplit.comSeparate entrance fee required to climb bell tower (check the price at the Treasury ticket office). Provides access to magnificent viewpoint overlooking city and islands. Stairs are steep and narrow; physically challenging for those with mobility issues. Views worth the effort; best visited afternoon for sunset light. Often combined with cathedral interior ticket (price at the Treasury ticket office).
Some museums offer discounted combination tickets when purchasing multiple museum entries. Saves 10-20% compared to individual tickets. Tourist information office provides details on current offers. Worthwhile if planning to visit 3+ museums during stay.