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Can you include a photo? It is likely that they are being walked through by some animal. A photo will help me to confirm the nature of the issue at hand.

Caladium requires shade. If it is getting too much sun, the colors will bleach out. This is what Longfield Gardens says: SHADE AND SUN: Caladiums are ideal for shady yards and gardens. In southern areas they grow best in full to partial shade. In northern areas, most caladiums can also be grown in the sun as long as they get enough water and their leaves are shielded during the hottest part of the day.
https://www.longfield-gardens.com/article/All-About-Caladiums

We do not sell, or offer anywhere to buy plants. I would say that you could check your local nurseries, or even purchase some online. Many nurseries will ship to just about anywhere.

St. Simons Island is in zone 9a, which is right on the edge of the climate where caladiums can survive the winter outside. You should heavily mulch your plants or, if you want to be on the safe side, dig up the bulbs and store them inside for the winter. This article will tell you all about it:
https://www.gardeningknowhow.com/ornamental/bulbs/caladium/caladium-care-in-winter.htm

Yes, caladium can be saved for next year or grown indoors as a houseplant. Here is how to prepare and store them for winter. https://www.gardeningknowhow.com/ornamental/bulbs/caladium/caladium-care-in-winter.htm

The genus Caladium includes seven species, which are indigenous to Brazil and to neighboring areas of South America and Central America. They grow in open areas of the forest and on the banks of creeks and go dormant during the dry season.

Kingdom
Plantae
Division
Magnoliophyta
Class
Liliopsida
Order
Alismatales
Family
Araceae
Genus
Caladium
The main colors are red, pink and white, and each different type of Caladium has its own unique and exciting color combination of two or more colors.