A rechargeable transit card covers the metro, trams, buses, funiculars and public ferries.

A rechargeable transit card covers the metro, trams, buses, funiculars and public ferries.
Compare total prices, not just the room rate, since many hotels add a daily resort fee.
Three days covers the CN Tower area, a market or two, the waterfront and a neighborhood such as Kensington Market.
The subway, streetcars and buses cover most of the city on one fare system, and downtown is walkable in warm weather.
Adventure mode: on. Find tours and things to do in one place.
Three days covers the old neighborhoods of Alfama and Baixa, the Belém monuments and a sunset from one of the viewpoints.
When walking, watch for bike lanes: they are often red-paved and easy to step into by mistake, and cyclists move fast.
Lisbon is built on steep hills with slippery cobblestone streets, so comfortable shoes matter.
The big marketplace area near the waterfront is busy and priced for tourists.
Four to five days covers beach time, a day trip to an island such as Isla Mujeres and an ancient site such as Chichen Itza or Tulum.
Local buses run along the Hotel Zone and into the center, and taxis are easy to find, though it is wise to agree the fare first.
Five days is a comfortable minimum for several neighborhoods, food and a day trip.
Cover up appropriately and follow the rules at temples, and treat offerings on the ground with care.
The train and subway network is fast, punctual and covers almost everywhere, and a rechargeable transit card makes it easy.