The prince, who is on a tour of seven Caribbean island nations as the Queen`s representative, was handed the creatures one by one.
He later helped excavate a nest which the babies had left.
Willing the turtles to "Go, go, go... that way", the prince observed that one was "waiting for the water to come to him", adding: "That`s really clever".
The volunteers from the Nevis Turtle Group work every night on the beaches, tagging turtles and collecting information about their nesting habits and movements.
They also excavate nests which the baby turtles, either leatherback, green sea or hawksbill, have left and count the remaining egg cases to monitor numbers.
It is illegal in Nevis to hunt for turtle eggs to eat but experts say there is insufficient enforcement to prevent people from doing so.
The prince`s tour began on Sunday in Antigua and Barbuda before he moved on to St Kitts and Nevis.
The visit will also take him to Barbados, Grenada, St Lucia, St Vincent and the Grenadines, and Guyana.
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