Lightweight breathable clothing (linen/moisture-wicking) | Modest cover-ups for church visits (shoulders & knees covered) | Comfortable walking shoes for cobblestone streets and heritage sites | Quick-dry swimwear and rash guard for island hopping and snorkelling | Reef-safe sunscreen SPF 50+ | Waterproof sandals/flip-flops for boat transfers | Small dry bag/waterproof pouch – essential for bangka boat tours | Snorkel mask (preferred fit; rental available but quality varies) | Insect repellent (especially for jungle and mangrove areas) | Portable power bank | Universal adapter (Type A/B, 220V) | Light rain jacket or compact umbrella | Prescription medications and basic first-aid kit (antidiarrheal, rehydration salts, antihistamine, motion sickness tablets) | Copies of passport, travel insurance, and emergency contacts