Islet (noun)

1. A small island, especially one that is isolated in a body of water.
2. A small piece of land surrounded by water.

Origin:

From the old english word 'isle' meaning 'island'. the word has been used since the 15th century to refer to a small island or a small, isolated piece of land in a body of water.

Examples:

1. The islet was a popular destination for tourists seeking seclusion.
2. The tiny islet was home to a colony of sea birds.
3. The lush islet was the perfect location for the couple's tropical wedding.
4. The islet was accessible only by boat.
5. The islet was a haven for marine life, including seals and whales.