.vi is the Internet country code top-level domain (ccTLD) for the U.S. Virgin Islands.
Registration
Registration is available in .vi or one of its second-level TLDs. Current prices are $75 for registration for residents of the U.S. Virgin Islands and $300 for foreign registrants. The second-level TLDs cost $75 or $200 respectively. There are premium domain names with different prices. Renewal fees are significantly lower and there is also a price for most contact or nameserver updates.
The only restriction for registration is that the domain has at least 2 active nameservers.
Third level registrations are available in .co.vi, .org.vi, .com.vi and .net.vi.