The Resorts World Sentosa complex in Singapore, which includes 1,800 rooms in six differently themed hotels, has just opened the new Ocean Suites, featuring floor-to-ceiling windows looking into the world’s largest aquarium. Located along one side of the S.E.A. Aquarium’s Open Ocean habitat, the luxury suites feature a two-story townhouse design. (The first floor is alongside the aquarium; the second floor opens onto ground level.) Ocean Suites guests enjoy the facilities of the Equarius Hotel, including seven meeting rooms, with a combined capacity of 1,400 attendees and balconies that look out over the adjacent tropical forest; and an outdoor event pavilion, gym, and pool.