For many, Singapore — the city that inspired “Crazy Rich Asians” — is synonymous with luxury, with top-tier accommodations, high-end shopping and restaurants.

But where to stay, shop and eat in a city that has so many options?

CNBC’s “First Class” series takes viewers into the city’s top hotels and Michelin-starred restaurants, with an insider’s look into The Shoppes at Marina Bay Sands, home to an underwater tunnel that connects the main building to a floating Louis Vuitton store.