海口是海南省会，政治经济文化中心。历史悠久，上世纪二十年代，就开始成为市的设置。最近几年，海南引进的一些高新技术产业，大多落户于海口。岛内大些的企业单位，也都在海口。虽说也是个旅游城市，但不依赖旅游业，市政设施和居民生活保障体系比较完善。
三亚是海南除海口外的唯一一个地级城市，建设于上世纪八十年代。海南岛南部的港口城市，也是一个著名的中，国演。讲网，旅游城市，位于北纬十八度。
主要产业是旅游业、房地产业，但城市建设除了酒店之外，其他稍显不足，市政建设和其他不如海口。依赖于旅游业生存。因开发和建设较多，早在四五年前，三亚已经没有地可用了，目前媒体报到的所谓三亚房产热，其实没有楼盘在三亚市。Haikou is the capital of Hainan, the political and economic and cultural center. Has a long history, the last century twenty's, began to become the city's settings. In recent years, some of the introduction of high-tech industries in Hainan, mostly settled in Haikou. The island's larger enterprise units, are also in Haikou. Although it is also a tourist city, but does not rely on tourism, municipal facilities and residents living security system is relatively perfect.
Sanya is in addition to the Hainan sea area only a prefecture level city, the construction of eighty years in the last century. The southern port city of Hainan Island, is a famous tourist city, located at eighteen degrees north latitude.
Major industries are tourism, real estate, but the city construction in addition to the hotel, the other slightly inadequate, municipal construction and other than Haikou. Depends on the survival of the tourism industry. Due to the development and construction of more, as early as four or five years ago, Sanya has not been available, the current media reported that the so-called Sanya real estate is hot, in fact, no real estate in Sanya city.
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