“Titanic,” the current mainstage offering at Surflight Theatre, is nothing short of titanic.

The first scene, about 16 minutes long, introduces the audience to the huge cast, eventually filling the stage. The excitement builds as the crew and passengers board the world’s largest and most opulent ship on its maiden voyage. In song, designer Thomas Andrews (Don Daniels) calls Titanic “a floating city” and compares it to civilization’s wonders: