Blue Grotto

Blue Grotto may refer to:

• Blue Grotto (Biševo), a cave on the Croatian island of Biševo
• Blue Grotto (Capri), a cave on the Italian island of Capri
• Blue Cave (Kastellorizo), a cave on the Greek Island of Megisti (Kastelorizo)
• Blue Grotto (Malta), a cave in Malta
• Blue Grotto, an area under the Manhattan end of the Brooklyn Bridge
• Grotta dello Smeraldo, a cave at the Amalfi Coast in Italy
• Blue Grotto, a dive resort in Williston, Florida