You have to give them a permanent address, but what you do with it is another story. People on boats are successfully using it: https://provscons.com/starlink-i

You have to give them a permanent address, but what you do with it is another story. People on boats are successfully using it: https://provscons.com/starlink-is-the-best-internet-for-boats/ https://provscons.com/starlink-is-the-best-internet-for-boat... However, it cannot be used extremely far off the coast, like on cruise ships. Starlink still requires base stations on land for use. They hope to solve this issue in 2-5 years, supposedly.