No visas are required. All visitors must hold a valid passport and obtain permission to land by having a landing stamp inserted in their passport. (Landing stamps may also be issued to passengers and crew not intending to go ashore, but who wish their travel document to be endorsed as a souvenir of the visit).
Tristan Radio acts as a coastal radio station and port control. Visiting vessels should establish contact prior to arrival & during their stay, and advise ETD/proposed destination before departure.
Operating channels: Channel 14, 16 and 78. HFSSB 4000 / 4149 / 6230 / 8294mhz
Anchoring off Tristan can be challenging, especially without the right gear. Aluminium anchors generally don't work effectively;