Rivaling the colors you’ll see below the sea on the coral reefs of Bonaire, the rainbow of Dutch-colonial buildings that line the streets of downtown Kralendijk—and especially Kaya Grandi, i.e., Main Street—will be worth your while, even if you don’t intend to shop at the neighborhood’s stores. But so much the better if you do: This is a serious retail mecca, with everything from duty-free outlets to local boutiques.
