Snorkeling and diving are excellent. Some islands even have spectacular snorkeling right off the beach. Diving rates are cheap. You can get certification if you need it.Manta Ray Island Resort offers special snorkeling trips to see manta rays when they are passing a shallow passage between islands. Be sure to stay alert - you have to jump the boat in 5 minutes from "manta ray alarm".
Most islands have good hiking, e.g. Wayalailai where you can climb to the top to see the sun rise, or hike the length of the island and cross the spit to Waya. Guides are available, or you can go alone.
Almost all islands will have someone who can teach basket or bracelet weaving, using palm fronds and banana leaves.
There are regular kava ceremonies on many islands. Guests are invited to join. On smaller and more intimate islands it would be rude to refuse.
Go to church in one of the villages for the Sunday service. The locals are welcoming, and you will be awed by their beautiful harmonious singing.
Ask the locals to take you through their plantation and show you the bananas, papaya, mangoes, breadfruit, casava and other fruits and vegetables growing for your eating pleasure.
Various day trips are available including the Cave trip diving through a tunnel 30cm down and 1.5 metre long to visit several underground caverns, the Blue Lagoon not the real one, which is privately owned and local trips such as fishing or snorkeling. You can also do day trips on the island to visit local villages and schools.
