Honiara is located 3 hours flight from Brisbane with a direct connection to Gizo flying for 1.5 hours with a DeHavillande (STOL) Twin Otter. The photo below shows Gizo Lagoon with Gizo Island and township in the background.
Sanbis Resort on Mbabanga Island is located only 6 minutes from Gizo and 3 minutes from the Airport.

Note: Kennedy Island (previously Plum Pudding Island) is the Island where
JF Kennedy swam to, after his PT109 Patrol Boat was rammed by a Japanese Destroyer during the famous WW2 battles in the Solomon Islands.