Setúbal is a coastal town, known for its fishing activities, traditions and industrial area. It's the capital of the Setúbal district. You might also want to check out Serra da Arrábida, for the nature part of Setúbal.
You can access Setúbal by trains from Lisbon, and most towns in the surrounding area. You also have lots of trains from anywhere to Lisbon, if there is not a direct train to Setúbal, you might want to consider getting one to Lisbon, and then to Setúbal.
It shouldn't be a problem to find your way, Setubal is a major town in the area, so, if you are around, you will have signs to point out your way.
There are buses that serve from Lisbon to Setúbal everyday and almost every hour a day, if you're in the capital it won't be a problem. There are also buses that serve the surrounding area towns.
The troia is a peninsula near Setúbal, and that is probably the only way to commercially reach Setúbal by boat.
Buses serve the whole town and are generally OK on schedules and quality.
The city of Setubal lacks in attractions, there isn't much to see in the city itself but a lot to admire in the surrounding areas: the Castle of Palmela, the Tróia Peninsula (quite adorable beach and architecture with the new luxury resorts), Serra da Arrábida (combining mountain areas, picnic spaces and the beach), the beautiful beaches and traditional fishing places in Sesimbra, the ancient but modern big cities of Almada and Seixal (closer to Lisbon) overlooking the Tejo (Tagus river), are all quite nice & lovely. Setúbal downtown is probably the place to go if you want to see the best parts of the city. Just ask how you can get to Avenida Luísa Todi (avenue), and the rest will work out just fine. You can see some of the nicer monuments, architecture and daily life there. Also, at the end of the venue you will enter Arrábida. And anywhere to the sides is filled with shops and typical streets with humble tascas (small coffee shops) where some of the best seafood in the country is served at incredible cheap prices.
You might want to go to Arrábida to enjoy nature at its best in the Setúbal area, but be careful, its really not that hard to get lost there. Also, in avenida Luisa Todi, and if want to experience the typical morning for many people, you can go to the fishmarket and see things around. Theatre Luisa Todi, is located in the venue also, if you are a theatre fan, shows will be in Portuguese, though. You can also go for a walk in the park as it is located near the bus terminal, and rather near the Luisa Todi venue; it is called "Parque do Bonfim" (Bonfim park) just stading on the side of the Estádio do Bonfim, the football stadium where Vitória de Setúbal, the local team, competes on the major national football league.
There are several schools in Setúbal, and recently opened a Polytechnic Institute that is becoming nationwide famous for its quality. It offers courses on the most varied areas ranging from Sports to Business Administration, Nursing or Mechanical Engineering.
There are many shops spread around the city, as normal. In the Luisa Tody area you will find many small shops and bigger clothing shops mostly. For bigger commercial areas, theres the Aranguês Mall, which is well, not very big, but has a nice selection of stores. Theres the De Borla/Aqua park, where you can find some big and good appliances and eletronics shops. And theres the supermarket Jumbo, for your bigger needs, with a few shops outside too.
There are many typical restaurants where you can eat good grilled fish and typical food. There's also a good deal of fast-food shops and pizza places. You can also find Indian and Japanese food.
There's a nice selection of bars in Setúbal downtown.
The most hotels and accommodation you can find are probably downtown (once again, Luisa Tody venue) and there's also an hotel near the Bonfim, which is near the bus station.
In the heart of the Alentejo region, 30 km from Alcácer do Sal and over the Vale do Gaio dam, stands the beautiful Pousada of Torrão, Vale do Gaio.
This nature hotel has a beautiful chapel and it is encircled in a magnificent landscape crossed by a refreshing river, terraced gardens and a swimming pool are located where the former watering reservoir used to be.
São Filipe's historical Pousada is installed in a fort from the late XVII century. This historic luxury hotel has a breathtaking view over the River Sado estuary from its terrace.
This historic luxury hotel is located on top of an imposing hill, and it is one of the best architectural fortresses in Portugal, specially known for its location and the magnificent views that it has to offer.
The Pousada de Alcácer do Sal, D. Afonso II, is a luxury hotel situated in the thousand year old Alcácer castle that overlooks the river Sado, which runs through a vast green valley.
Setúbal is considered a generally safe area but it has some of the major problematic neighbourhoods in the country. There are some parts of the city you might want to avoid, but the shabbiness will warn you of that. By day even in those parts you shouldn't have any problems, however, be cautious. Take the usual precautions, mostly at night in Setúbal downtown, but usually you won't have a problem. Avoid being alone but if you find yourself in that situation just walk in very well lit places and with many people around or call/grab a taxi to take you to your destination.