In the port of Pemba can be rented dhows bring you the archipelago of the Querimbas, declared National Park. It's a long journey and it depends on the strength of the wind and sea. And well before starting on the status of the sea and carries water supplies, food and a hat for the sun.
Travel tips
In the city center there are several banks to change money, but you'll find the best rates, trading somewhat, with the tanzanian sellers of the markets. Also, if you are in Wimbi, you can find cash in the Casine. Some hotels of Wimbi will also change, but worst rate.
The site of fashionable nights in Pemba, meeting local people, lost tourists and international colaborators. In the city center, there arrive all taxis (negotiate before ride). Good atmosphere and live music some nights. Maybe find an old man non-stop dancing. Fernando is his name and if you are with your girl is sure that he will try to "steal" her to dance a bit. Big beer cheaper than the small. One of those incomprehensible africans situations, which is better not to seek a response.