Welcome to The Seasteading Institute membership site! On this page you can register for membership, make donations, and sign up for events.

If you wish to upgrade your membership, visit your member profile, click the "Change membership level" button, and select the level you'd like to upgrade to.

Please note that this page uses a separate login from the seasteading.org page. If you do not have a login, please select your preferred method for donating on the left, and follow the instructions to create your username and password.