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Sea Caves

The Sea Caves are the ultimate destination for an Apostle Island Adventure. The Sandstone that created these caves was laid down about 1 billion years ago from giant braided streams deposits. 10,000 years ago glaciers deposited the red clays. When these glaciers retreated, the rift basin that is Lake Superior filled with water and thousands of years of wave action have eroded the soft sand stone to create what is now known as the Apostle Island Sea Caves. The caves are ever changing and very impressive. PMG Charters offers an up-close and intimate look at this incredible geology. These seacaves can be explored by kayak, power boat tours, or diving.