Stayed here many times in the last year. Spacious, clean 1, 2 and 3 bedroom apartments wth all the amenities of home. The kitchen is the best equiped I have ever seen, fully stocked for the serious chef. This include baking utensils, bake and cook ware, measuring cups and measuring spoons, storage containers and a good size oven (rare in China) and large fridge. The apartment also has a separate washer and dryer. Daily cleaning service provided. I can not comment on the breakfast since I never tried it however the dining room looks clean and bright. There is a large pool on the 5th floor and is seldom busy so enjoy! Bathing caps are mandatory. Also on the 5th floor is a gym and outside area for lounging. Internet is one of the best I have had in China.
The lobby is well stocked with Tourist Brochures right by the front door. This includes subway maps in English.
The hotel is located on subway line 9 (right outside the front door). A 5 minute walk away is subway line 2. Subway line 2 will take you to the SWFT observation buidling (called the botte opener - currently the tallest building in Shanghai). This subway line will also bring you to the Super Brand Mall, the Pearl Tower and will take you to the other side of the river to famous shopping streets (Nanjing Road), Xintanzi, the Bund, People's Square.....).
As other reviewers mentioned the Marriott is surrounded by plenty of restaurants. In the Shinmay Mall (again just outside the front door) you will find the famous Japanese Chain Ajisan Noodles on the first floor, "Charme restaurant on the 3rd floor and Xiebie (famous Chinese chain specializing in Lamb - one of my favorite restaurants) In front of the Ajisan Noodles is a pedestrian walkway. Across the walkway is May Love Dim Sum - good Hong Kong food (no english spoken but menu has pictures). Turn right on the walkway and you will find a bakery, a Burger King and an entrance to yet another Mall which has a large Japanese Supermarket in the basement which carries organic produce, and big assortment of western products and dairy. Front desk staff speak good English. Excellent value if you are looking for 5 star accomodations in the Pudong Area.