The Northern Mariana Island contain a number of casinos to cater to foreign tourists. There is a major casino in the island of Tinian. There are also many poker houses that will appeal to westerners.
Nevertheless, snorkeling and scuba diving are still the top activity in the Northern Mariana Islands. The islands saw fierce fighting during the Second World war so many ship wrecks dot the ocean floor. Your hotel can help you arrange for a visit to one of these spots.
If you want to go shopping, there are many places in the capital Garappan (located on Saipan). Garapan street market, DFS Galleria (for duty free shopping), Star Sands Plaza (for souvenirs), Joeten, ABC stores are some famous shopping places. There are also many bars on the main land which have good ambiance such as Johnny’s Bar, Joe’s Bar, GIG Nightclub (shaped like a miniature pyramid), The Flair, Dionysis and more.