The Sun, Sea and Sand Uncluttered, strong pictures result from the combination of sea, sun and sand. Midday shooting is good if you are on or near the water. A polariser filter is essential. Use a fill flash or reflector for faces.
Strong sunlight means black shadows in the eye sockets.
A fill flash or reflector, makes the face look natural. Underexposed shots are caused by large areas of white sand, whitewashed buildings, white yacht hulls and so on. The sun drops quickly in the tropics. Try magnifying the sun with a 300mm lens. Expose for the sky near the sun.