The oasis is a very big ship. Our cruise had 6200 guests on board and at times the elevators and public decks were jammed with people.Room: We had connecting 8682 and 8684 balcony rooms. It was a perfect spot. The Central Park was right around the corner and most of the things we did were on our end of the ship. 8682 had the couch by the door to the balcony and 8684 had the bed by the door. It was quiet and we felt no ship movement. We opened the balcony to connect both balconies. The divider only opens half way. We did have a smoker a few rooms down but the smoke never came our way. We loved that at all the ports our room faced the port so we could watch the comings and goings.Food: This is where we were disappointed. The ship brags about having many places to eat. I am looking a the ships planner and 13 of the places that are open most of the time are fee for service !!! Even room service has a charge for late night service. There is a pizza place open until 12 AM and a deli type place open 24 hrs. but the sandwiches are the type with cucumber . I think there was 3 choices at this cafe.. We booked by Central Park because I thought the kids could get food at all hours. No, the only free food place on Central Park has limited hours so you will have to pick pizza until 12 am or a cucumber sandwich and head to deck 5.! The windjammer gets so busy that all but one time a recording was playing asking you to vacate your table after you are finished to allow other guests to sit!!! The taste of the food on the ship was standard cruise ship food -no better or worse.Entertainment: We loved the dive show. It was so different then most cruise shows. 'Hairspray" was done very well also. We did reserve ahead of time but every show you can do standby and everyone got in as long as they were there by the start. You can reserve the shows in your cabin on the T.V. without a problem. There is a long line by Studio B to reserve shows and we asked the staff why people didn't just go to their TVs ? They laughed and said they hadn't a clue! Things to do: Rock Wall is higher then most but plan on spending 30 minutes in line. We had planned on doing it and flow rider in port as suggested by past cruisers but they are closed until 3or 4pm and by then a lot of the 6200 people are back on the ship. Flow rider line is shorter for the board but very long always for surfing. The zip line only had a line the first two days . My kids still loved doing all of them. The pools are many. We made the mistake at the beginning to go to the pool by the kid area not realizing the other pools are half as full.There always were plenty of chairs and the adult only place is beautiful . Our favorite thing was that some pools were open 24 hrs. Favorite port was Cozumel . The place where the ship docks is 3 miles from town but it has now built up to resemble town so we didn't need to get a taxi. We just shopped right at the dock. They are giving free passes to get to town now which they weren't before. I am guessing a lot of people just stay at the dock now. For our shore excursion we did the push and pull.dolphin/manatee encounter at Chankanaab. They are very strict about "no Cameras" .One man tried anyway and security came and asked him to leave in a bin by the dock. There seems to be security just to monitor camera use! The pictures they took were amazing . They cost 200 dollars for the disk and it had 125 pictures of the 5 of us. So very expensive but worth it. The park is beautiful and it has a pool and the kids snorkeled afterwards. We bring are own walmart gear but they do rent it there. We were told the sea lion show was extra?Many of the people we met were on the oasis for the 3rd or 4th time. I think we will stay closer to home and do a ship with only four thousand people!Conclusion: Staff wonderful but too much nickel and diming. A cruise is supposed to be a one fee event. They were even charging 24 dollars if you didn't return their pool towel?