Wilderness and the Wilderness Lodge, since they are shaded and usually quiet. Hop aboard the Monorail and take a ride all the way around the loop. You'll get a good view of the three monorail resorts, as well as the entrance to the Magic Kingdom. Get off at each of the hotels and look around. Get something cool to drink and people-watch in the lobby.
Most deluxe resorts have marinas with pontoon and water mice boats.
The water mice are personal watercraft for faster jetting around the lake. If you are really into thrills and have money to burn, go to the Yacht and Beach Club Marina to find out about the Breathless Burst rental. A driver will take you on a brief but high-speed journey along Crescent Lake. There are lots and lots of shops, with every conceivable Mickey Mouse accessory. Go to one of the many Disney themed dinners.