The Bay Islands Underwater Museum is known for its combination of marine life and history, spanning four eras involving Spanish settlers, Mayans, and Garifunas. The museum shows trails and other pre–Colombian figures, most were found on the island while others have been brought from other areas of the country to enrich the cultural flavor.

Entering the warm waters of Roatàn you will find the place where the British moved the Spanish settlers who would dominate the island, the museum has a Spanish galleon with guns and a few other pieces that all but transport you back in time. It also has samples of the canoes that settlers of African descent used for transportation and fishing. A Mayan cemetery can also be found beneath the waves.

In addition to the sculptures and artifacts, you can also find tropical fish living in the Mesoamerican barrier that surrounds the island. There are aquatic turtles, stingrays, and other tropical fish that call the reef home.