Clothes:
T-Shirts
Shorts/Pants/Jeans/Skirt
Socks (several pairs)
Belt
Shoes (make sure they are VERY comfortable)
FlipFlops (for showers & casually strolling)
Beachwear/Hat
Underwear
Semi-nice outfit
Sweater
Gloves/Hat/Thermal Underwear
Raincoat/Poncho/Umbrella
Sunglasses