See Hamams of Istanbul page for more information on Turkish Bath's in İstanbul. A visit to a hamam (Turkish bath) is an essential part of any trip to Istanbul and is something you'll be sure to repeat before leaving. There are at least one historical hamam in each neighborhood of Istanbul. Take care in selecting a hamam, as they can vary greatly in cleanliness. Most places will offer a scrubbing and/or a massage. Just being in the Hamam (as a sauna), is enough for seeing and experiencing the place, but the scrubbing is a great experience. The massage is not necessarily better than those found in western countries. Sultanahmet has many historical hamams. Some are very extravagant and cater mainly to tourists. An example of hamam frequented by locals is the Buyuk Hamam where a full session (massage plus scrub) will cost you 35 TL instead of the 60€ of the touristic ones. The experience is true turkish so don't expect any western standards.
Nargile (Hooka/Water Pipe). Once upon a time, the nargile, or Turkish water pipe, was the centre of Istanbul’s social and political life. Today some of the locals still consider it one of life’s great pleasures and is something interesting to try. Most of the places where you can smoke a nargile are in Yeniçeriler Caddesi, near the Kapalı Çarşı (Grand Bazaar). Çorlulu Ali Paşa and Koca Sinan Paşa Türbesi are both in secluded internal courts, just around the corner from some tomb yards, while Rumeli Kahvesi is actually inside the cemetery of an old medrese, though it’s not as spooky as you might think. In the south of Sultanahmet, near the sea, is Yeni Marmara (Çayıroğlu Sokak), where you can also sit in the terrace and enjoy the view. In Beyoğlu, at the Ortakahve (Büyükparmakkapı), there’s even the choice of a wide range of flavors. Another area with few big good looking places is the Rıhtım Caddesi, between Galata bridge and Istanbul Modern Museum.
Walking tours. Museums and such: Haghia Sophia, then on to the Topkapı museum (these two should take at least three to five hours), preferably along the road in the back of the Haghia Sophia, where there are some nicely restored houses. Then on to the Blue Mosque and the square with the obelisks on it (At Meydani). Along its side is the very good Museum of Islam Art. Descend slightly and find the small Haghia Sophia with its nice garden (it was under restoration, but you probably can get in). Then uphill to the Sokollu Mehmet mosque complex, top notch tiles inside.
Take a tram or walk to Eminönü (where the boats leave for trips to Asia or up the Bosphorus). Visit the New Mosque at the back, then the Egyptian Bazaar next to it, and going further in that direction, locate the Rüstem Pasha mosque with its excellent tiles. It's on a raised platform near an old clothes market, you may have to ask directions. Then take a cab or find a bus to Eyüp mosque complex, a mile or three up the Golden Horn. Visit this Eyüp complex at your leisure (the mosque is not particular, the court is, and the milling of believers, with many boys-to-be-circumcised amongst it; a Friday might be a good day to do this). Then, if you have the stamina, it might be nice to walk back too; maybe all the way (five miles or so), but taking a route along part of the city wall to first the famous Kariye Church with its mosaics, then on to Selimiye Mosque with its great view on the Golden Horn (and a fine mosque by itself), then the Fatih Mosque (passing through some very religious and lively neighborhoods), then on to the well-restored Sehzade mosque, and next to Süleymaniye (don't forget to enjoy the view from the Golden Horn side). If you have some energy left, you might go on to the University complex, and by then you are very close to the Beyazit mosque. A book market (it’s small) is behind this good, unexceptional (nice courtyard though) mosque.
Once again go to Eminönü, but this time take the boat (those large ferries) to Üsküdar. You will arrive before a fine mosque in front, another one four hundred meters off to the right, slightly inland behind a traffic roundabout, and a third, very small, at the sea front. See the market stretching inland, walk about and don't forget to walk along the shore, maybe eating a fish meal in one of the bobbing boats along it. This is a good visit for late afternoon, early evening, fleeing the city. You will be joined by thousands of people going home from "town" but the way back will be on a near-empty ferry. The frequency of ferries will go down in the evening, so make sure there is a connection back.
Go to the railroad station and find a Sirkeci-Halkali suburban train, and get out at (from memory, Yedikule station). You will be quite close to Yedikule, a nice fortress, and will have fine views of the city walls. The trains leave every 15 minutes or so, the ride is peculiar (the material is bad, but if you are in luck every second stop another salesman will enter and try selling his wares, it’s fun). The ride is takes anywhere from twenty minutes to half an hour. This is not a "must", but it can be great fun.
You will have missed the covered bazaar in all this. That is because you will get there anyhow. If you go to Beyazit and the book market you are almost at two of its many entrances. Try and find the Nuruosmaniye Mosque and its complex at the other side, it’s worth it. And after having explored the covered part, take a relaxing walk downhill, into the general direction of Eminönü, where it is "uncovered bazaar" all the way. Cross the Galata bridge to see some things on the Northern side (for instance take the "tünel" teleferik ride up much of the hill (entrance close to the opposite side of Galata bridge, ask around)), then continue to Taksim. Shops are of the international variety.
Theodosian Walls Walk. From 408AD the original walls of Constantine were replaced in the reign of Theodosius. These walls then became the critical point of defence of the capital of the Eastern Roman Empire and their Ottoman successors. They are still almost completely intact, marking the western border of the peninsula of Old City, with some sections suffering from somewhat unsightly restoration done in early 1990s. The section around the Topkapı Gate (not to be confused with Topkapı Palace which is located in an altogether different place) can be easily accessed from Pazartekke tram station, which lies about 300 metres east of the walls. Some remoter sections may not be very safe and may require some caution. A 7 km walk along and on these remaining portions of the city wall offers a window into antiquity and puts emphasis on Turkey’s terrible historic monument legacy. Download and print a scholarly historical and technical description of the walls before you visit Istanbul; this will certainly add to the pleasure. From Eminönü, take the Golden Horn ferry to Ayvansaray. This ferry terminal is separate from the Bosphorus terminals adjacent and east of the Galata Bridge. Walk west through the Galata bridge underpass, then through the bus station to a pedestrian laneway which leads to the small terminal building. The fare is TL 1.50. Leave the ferry at Ayvansaray and cross the park to the wall on the other side of the main road. You have a choice of walking up the outer wall or the inner wall but access to the top of the battlements is usually on the inside naturally enough, so go up the small street across the road which then cuts back behind the wall and the towers. Here you can climb up onto this section of unrestored wall on crumbling brick and stone and continue on some hundreds of yards climbing as necessary. This path comes to an obvious end and one can short cut back to the street. Sometimes there are dwellings and commercial enterprises hard up against the wall, sometimes a bus depot, a rubbish dump or often just the road. These walls replaced the earlier walls of Constantine in 408AD after which they went through constant upgrade and repairs to earthquake damage. The different work done over the centuries was all of varying style and quality. Quite surprisingly there are a number of small streets still using the narrow gates. At Hoca Çakır Cd one comes across a restored section of the wall where the heights are accessed by stairs, some along the top of the wall of the steeper variety. This restoration from the 80s is in conflict with the original. The wall is then breached for the main road Fevzi Paşa Cd. Cross this and continue along the street at the back of the wall. Look for foot pads and breaks in the wall which allows access and a good look around. The wall is breached again for Adnan Menderes Blv (unofficially and widely known as Vatan Caddesi). Past here one see here quite clearly the double line of defence with outer moat. The next breach is for Turgut Özal Cd (unofficially and widely known as Millet Caddesi) which hosts the tram line heading back to Sultanahmet for those who have run out of steam. Walking now on the outside of the walls, various breaks in the outer wall allow access via broken stonework or later via modern sets of steps in disrepair. Between the walls is the disquieting evidence of the number of people sleeping rough in Istanbul. Persevere in staying between the walls because soon you will arrive at another impure restoration project at Mevlanakapı Cd gate. Note that entry to the gate towers has been closed at the gate, so entry is only from the walls. From here it is better to proceed on the outside of the walls because market gardens occupy the moat and the city side abuts buildings. These couple of kms will give a further perspective of the ravages of time and earthquake on the walls. Finally you will arrive at the Golden Gate and Yedikule Fortress which fronts the Marmara Sea and was Byzantium’s triumphal point of entry. This is in excellent condition not least because the Ottomans upgraded it and then used it right up to the 19th century. There is an entry fee and it boasts a loo. The high walls and towers are all accessible, and one tower still has internal wooden floors. So you have now surveyed the protective land walls which kept Byzantium and the Eastern Roman Empire safe for all those years after the fall of Rome, breached only by the 4th Crusaders and the Ottomans. What of their future? Given that recent restoration work is fairly suspect scholars may think it is better to leave them be. Now return to the city either in the Eminönü Bus (№80) from the village square outside the main gate, just wait there, or walk down Yedikule Istasyonu Cd about 300m to the railway line to Sirkeci, both heading for centres close to Sultanahmet.From 408AD the original walls of Constantine were replaced in the reign of Theodosius. These walls then became the critical point of defence of the capital of the Eastern Roman Empire and their Ottoman successors. They are still almost completely intact, marking the western border of the peninsula of Old City, with some sections suffering from somewhat unsightly restoration done in early 1990s. The section around the Topkapı Gate (not to be confused with Topkapı Palace which is located in an altogether different place) can be easily accessed from Pazartekke tram station, which lies about 300 metres east of the walls. Some remoter sections may not be very safe and may require some caution.
The Classical Bosphorus Cruise. From the terminal immediately east of the Galata Bridge starts the large ferry cruising to Anadolu Kavagi at the northern entrance of Bosphorus to the Black Sea via various stops. The fare is TL 25. The departure time is early and is very popular, so arrive early and queue. The open decks are hugely popular, so unless you have an outside seat expect people to be standing all around you constricting the view. The ferry waits some hours in Anadolu Kavagi so as you alight you are confronted by a numerous restaurants and their spruikers. Firstly take the walk to the Yoros Kalesi, a strategic castle overlooking and controlling the entry to the Black Sea. This important fortification with a commanding view has been fought over for many years and was last in use in the 19th century. It has fallen into serious disrepair, but Christian engravings are still visible in the stonework. There are restaurants actually in the castle surrounds and naturally have spectacular views. There is plenty of time left to wander back to the village for lunch. It is late afternoon before arrival back at Eminonu, but a day well spent. A cheaper and faster Bosphorus cruise alternative is a TL 10 trip on a shorter cruise.
Football (soccer) is the most popular sport in Turkey, and Turkish football fans are known for their passion. Many teams from other parts of Europe consider the atmosphere to be very intimidating when they have to play away matches in Turkey. The most intense rivalries in Turkish football are between Beşiktaş,Fenerbahçe, and Galatasaray, and matches between these sides are always played in front of sell-out crowds; getting tickets requires booking way in advance. As the atmosphere is extremely hostile to the away teams, spectators should avoid wearing away team colours after the match, and avoid any signs of crowd trouble.
Shopping. Connecting east and west, the will to control the major trading routes was the reason why Istanbul was founded in the first place, so shopping should definitely not be overlooked in your Istanbul experience. The currency used in Istanbul is the Turkish Lira (TL) though the euro and US dollar are also accepted at places frequented by tourists (although certain tourist attractions such as the Hagia Sophia only accept liras). Currency exchanges (döviz bürosu) and banks are plentiful in Istanbul and offer extremely competitive exchange rates with no commission charged. If you are planning to visit Istanbul, bring hard foreign currency and exchange them after you arrive, preferably at a bank or a currency exchange. Exchange only what you need as you will find difficulty exchanging your leftover TL back to foreign currency after you leave the country. Alternatively, withdraw money from ATMs whenever you need cash.
Shops may be closed on Sundays. Most major shopping malls have security checkpoints you usually see in airports and museums prior to entry.
Istanbul's historical bazaars with an oriental ambiance, once sitting firmly on the western terminii of the Silk Road and spice routes, all dating back to Ottoman era, are all located in the the peninsula of Old City. However, expect extreme prices rise in the Grand Bazaar as it's become a mere tourist attraction. Just moving by few meters outside of it you can see prices drop quickly.
On the other hand, modern shopping malls (alışveriş merkezi, usually shortened to AVM), popping all around the city in the last three decades, are mostly to be found in New Istanbul and western suburbs, though they are by no means exclusively located in these districts.
If you are after top quality upmarket garments, then you may better head for Nişantaşı in European Side and Bağdat Avenue in Asian Side.
Here are some of what are popular to buy while in the city:
Turkish Delight, or Lokum (as the locals call it). A good buy since you're in Turkey. It is advisable to buy it fresh rather than in pre-packed boxes and to get a variety of flavours rather than the stereotypical rose-water or lemon flavors available abroad. Pistachio in particular is very good. The best place to buy lokum in Istanbul is from a store. Istiklal Caddesi in particular features a number of stores that sell Turkish sweets by the kilogram including lokum and helvah. There are quite a few shops selling Turkish Delight in the Grand Bazaar, although unless you are very good at haggling better prices can be found elsewhere. Highly recommended for Lokum is the Malatya Pazari stall in the Spice Market. The Turkish delight there was fresh, had great flavours including some offbeat ones and the prices were fair.
Turkish Tea (çay, CHAI). The national drink of Turkey, brewed from leaves grown on the steep, verdant mountain slopes of Turkey's eastern Black Sea coast. Traditionally, Turkish tea is brewed samovar-style, with a small pot of very strong tea sitting on a larger vessel of boiling water. Pour a small amount of strong tea into a little tulip-shaped glass and cut it to the desired strength with hot water. Turks usually add cube sugar (never milk, although you can often get milk if you ask.) Having fresh, hot tea always available everywhere is one of life's splendid little luxuries in Turkey. Elma Çay: apple tea, like hot apple juice (EHL-mah chah-yee) is the flavour of preference, although it's more for tourists; Turks prefer Siyah Çay (black tea).
Rugs and kilims can be a good buy while in the city. Most rug-specialized stores in the city, though, are aimed at tourist trade, so pick up basics of haggling to avoid being ripped off at these stores. They are mostly located around Sultanahmet.
Chalcedony. A semi-precious gemstone named after the near-by town of Chalcedon, and is sold in many of Istanbul's multitude of jewellery shops.