Check out this sea monster coloring page of a prehistoric squid, an animal that lived under the sea many years ago.

Teach your child how to round to the nearest hundred the fun way with this sea-themed worksheet featuring a swimming sea turtle and some sea stars.

Would you like to take a ride on the enormous Steller's sea cow? Color in the ocean dweller and his watery surroundings as you learn about the extinct sea cow.

Give the Spanish words for a variety of creatures of the sea.

This ammonite coloring page features these shelled sea animals that lived many years ago.

Young readers will love digging into this passage's cool sea turtle facts, and they'll get a nice reading comprehension workout in the process.

Dive into the sea life of Monterey, California, with this upper elementary reading comprehension worksheet!

Cut out one of our colorful rulers and measure these sea creatures to answer the questions. No oxygen tank needed.

A coloring page of a styxosaurus, a kind of dinosaur that lived under the sea many years ago.

Dive into pretend play with this under the sea cut and paste playset.

Introduce your little reader to some classic childhood literature, with Rudyard Kipling's charming story "The Crab That Played with the Sea."

Kids will find the correct homophones, or words that sound the same but have different meanings. Learn the difference between "see" and "sea" in this worksheet.

Being a fish might be fun! Your young writer can write their own under the sea story with this creative writing prompt.

No need for a submarine to explore the depths of the sea in this bright, colorful subtraction worksheet!

This coloring page features Poseidon, god of the sea. Thankfully for us, Poseidon isn't feeling particularly vengeful today. In fact, he looks downright jolly!

Challenge your child to navigate through the sea of letters according to each coordinate to spell out a destination city's name.

A day of fishing is interrupted by a giant sea monster! What happens next? This writing prompt will help your student stretch his imagination.

Find all of the words relating to the sea in the word search, circle them, and make sure to cross them off the list.

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

Get ready for a deep dive into the ocean with this detailed coloring page!

A dinosaur coloring page for kindergarteners. This one is of an archelon, a giant sea turtle that once lived under the sea.

A coloring page for kindergarteners about prehistoric sea animals. This one is of a megalodon, a giant shark that lived under the sea many years ago.

This underwater coloring page features a manta ray surrounded by fish and coral, a fun coloring page for any child.

This is Poseidon, Greek God of the Sea, and Zeus's older brother. Learn a bit more about him with this fun coloring page.

This detailed coloring page features a starfish surrounded by an array of undersea plant life.

Make your child's day with a coloring page featuring a mighty great white shark.

This Blackbeard the Pirate coloring page features the most fearsome pirate of the high seas! Bring him to life with color.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.