Plan conservative profiles, especially on liveaboards and remote Western Province trips. Use nitrox only when analyzed, carry an SMB on every boat dive and keep an audible signal. Avoid solo freediving and do not enter overhead wrecks, caves or cuts without proper training and guide approval. Verify the status of Honiara chamber support before serious diving. If DCS is suspected, breathe oxygen, stop diving, contact local emergency support, involve your operator and call DAN.

Honiara has the country's main hospital and the most practical dive emergency pathway. Provincial clinics and island facilities are limited. The Honiara dive chamber improves local care, but official travel advice still warns that chamber capability and evacuation may be limited, and divers may need overseas treatment. CDC recommends malaria chemoprophylaxis for travelers to Solomon Islands, and mosquito-borne diseases such as malaria and dengue are widespread. Carry medical evacuation insurance, prescription copies and a basic travel health kit.

Solomon Islands conservation combines national law, customary tenure and local management. The Protected Areas Act allows protected-area declarations, while Arnavon Community Marine Park protects a major hawksbill rookery and Tetepare maintains a no-take marine protected area. Many everyday reefs are managed through local owners or LMMAs. Follow guide instructions, pay agreed fees, do not touch turtles or sharks, do not stand on coral, do not collect shells or artifacts, and never disturb WWII wreckage or suspected ordnance.