The Moon and Sun help cause the regular rise and fall of ocean water known as these.
Tides
Although it lives in the ocean, this playful mammal must surface to breathe air.
Dolphin
Waikīkī Beach is found on this Hawaiian island, home to Honolulu.
Oʻahu
This California group recorded “Surfin’ U.S.A.” and “Surfer Girl.”
The Beach Boys
This large sunshade opens around a central pole and is commonly planted in the sand.
Beach umbrella
Windblown sand caught by beach grass can build these hills behind the shoreline.
Sand dunes
This soft-bodied creature protects itself by living in an abandoned snail shell.
Hermit crab
Coney Island Beach and Boardwalk are located in this New York City borough.
Brooklyn
This singer had a 1960 hit with “Itsy Bitsy Teenie Weenie Yellow Polka Dot Bikini.''
Brian Hyland
Two-player teams bump, set, and spike a ball over a net in this sandy-court sport.
Beach volleyball
This narrow, fast-moving current flows away from shore and can carry swimmers with it.
Rip current
In this unusual fish, the male carries the developing young in a brood pouch.
Seahorse
Long before its famous 500-mile race, automobiles sped across the hard-packed sand of this Florida beach.
Daytona Beach
A great white shark threatens fictional Amity Island in this 1975 Steven Spielberg film.
Jaws
Hawaiian Olympic champion Duke Kahanamoku helped popularize this wave-riding sport around the world.
Surfing
The Sargasso Sea is named for this floating brown seaweed.
Sargassum
This flat relative of the sea urchin leaves behind a round skeleton with a flower-like pattern.
Sand dollar
Bondi Beach is a celebrated landmark of this Australian city.
Sydney
Elvis Presley plays ex-G.I. Chad Gates returning to Hawaii in this 1961 musical.
Blue Hawaii
Wham-O named this plastic flying disc after learning that students tossed tins from the Frisbie Pie Company.
Frisbee
Waves approaching at an angle can create this current that runs parallel to the shoreline.
Longshore current
Despite its name, this “living fossil” is more closely related to spiders and scorpions than to true crabs.
Horseshoe crab
Copacabana Beach is one of the most famous attractions in this Brazilian city.
Rio de Janeiro
Frankie Avalon and Annette Funicello starred in this 1965 beach comedy.
Beach Blanket Bingo
In 1973, Tom Morey gave his redesigned bodyboard this musical-sounding name.
Boogie Board