Most foreigners who own property can obtain a renewable 3-year permanent residency. If you're an American, it's preferable to renew one's residency rather than becoming a Fijian citizen. Americans who acquire a Fijian passport must renounce their American citizenship and surrendering their U.S. passport. That might not be a smart thing to do. Native land can be leased but never sold, and as such, it is usually considered a can of worms to develop anything on native land.
Crown land is basically government land.
Whenever looking at freehold land, however, always insist on seeing the Freehold Title and researching through a competent attorney here whether the title is indeed free and clear, with no caveats, mortgages, or other legal hassles attached to it. Believe me the last thing you want to deal with in Fiji is a legal dispute. Chances are, you're not going to come out on top. There is quite a bit of land for sale particularly in Vanua Levu, the second largest of the Fiji Islands with a wide variety of prices, accessibility and acreage. Here are some key factors to consider when looking to buy land in Fiji.