National marine sanctuary offices and visitor centers closed to the public; waters remain open

NOAA's national marine sanctuary offices and visitor centers are closed to the public while the waters remain open for responsible use in accordance with CDC guidance and local regulations. More information on the response from NOAA's Office of National Marine Sanctuaries can be found on


Lion's Mane Jellyfish

Lion's Mane Jellyfish - This giant jellyfish has a saucer shaped bell with many tentacles and mouth arms. Color varies with age, bell is pink to brown purple, stomach has a yellowish margin. Smaller Lion's Mane are pink, with larger ones brown to purple. Size to 8' in diameter with tentacles up to 200' in length. This Jellyfish is very toxic and can be fatal to swimmers.


Moon Jelly  

Moon Jelly - This common jelly has 4 horseshoe-shaped gonads. Tentacles are small and numerous. Color whitish to translucent. Gonads - white or yellow brown to pink. Size to 16". Found near the surface close to shore.



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