A massive jellyfish with tentacles stretching more than 100 feet washed ashore a Maine beach last weekend -- with swimmers and beachgoers warned to keep their distance from the stinging sea creature.

"Spotted this weekend at Willard Beach: A nearly 5-foot wide lion's mane jellyfish!" they wrote on their official Facebook page along with an image of the immense sea creature in the shallow water ...

A nearly five-foot-wide lion’s mane jellyfish washed ashore over the weekend at Willard Beach in South Portland, Maine, city officials said in a social post Monday.

A massive jellyfish with tentacles stretching more than 100 feet washed ashore a Maine beach last weekend — with swimmers and beachgoers warned to keep their distance from the stinging sea creature.