Words similar to mini-submarine

Example sentences for: mini-submarine

How can you use “mini-submarine” in a sentence? Here are some example sentences to help you improve your vocabulary:

This mini-submarine, which seats around thirty, takes you some 60 ft (18 m) under the sea to view coral reefs and the marine life that inhabits them.
Even very young children can safely see the fish and other marine life from inside a mini-submarine.