Whenever we go to Hong Kong we try to stay at the Landmark. Usually if my other half can go for business, but it's just as great for leisure if we want to splurge.
The service is impeccable, the beds are heavenly and I always make it a point to get a bath in their giant tubs. It's not a hotel with a view of the city so if that's what you're looking for, go elsewhere. If you're looking for a haven to relax in the middle of central Hong Kong this is the place. The modern design of all the rooms are fabulous. It's walking distance to anywhere you'd need to go.
The best sensory experience is the ginger-citrus scent they lightly spray into the vents. Now they sell the diffuser at the spa! We got one for our bedroom - our own little piece of the Landmark at home. Except... not as awesome.