Tanna in detail
Tanna Evergreen Bungalows has free wi-fi if you're dining there.
TVL Internet No computers, just a wi-fi hot spot.
Take enough cash (vatu) for your whole time here. Credit cards are accepted at the large resorts with the usual 5% surcharge.
The NBV bank in Lenakel will change cash only.
There's no tourist office but the website for Tafea Tourism (covering Tanna, Aniwa, Futuna, Erromango and Aneityum) is a useful resource (http://tafeatourismcouncil.com).