Updated by Michelle

Under The Sea

We have lots of under the sea, marine puzzles and activities for you to enjoy including word searches, Sudoku, mazes, word scrambles and lots more.

Our oceans cover over 70% of the Earth's surface. Of all the habitats on Earth the oceans hold the most mystery. While we are aware of hundreds of thousands of marine life forms there are still many more still to be discovered.

Under The Sea word search

Under The Sea Word Search

See if you can find our under the sea words in our word search.

Easy Under The Sea word search

Standard Under The Sea word search

Difficult Under The Sea word search


Under The Sea Sudoku

Under The Sea Sudoku

It's under the sea "fish" Sudoku - fill in the grid with the letters F, I, S and H, making sure no letter is repeated in every row, every column and within each mini grid.

4x4 Under The Sea Sudoku

It's under the sea "submarine" Sudoku - fill in the grid with the letters S, U, B, M, A, R, I, N and E, making sure no letter is repeated in every row, every column and within each mini grid.

9x9 Under The Sea Sudoku


Under The Sea Maze

Under The Sea Maze

The baby octopus has lost his Mum. Can you guide him through the maze to find her?

8 x 8 Under The Sea Maze

15 x 15 Under The Sea Maze

30 x 30 Under The Sea Maze


Under The Sea Word Wheel

Under The Sea Word Wheel

See how many Under The Sea themed words you can find in our word wheel.

Under The Sea Word Wheel


Under The Sea Word scramble

Under The Sea Word Scramble

See if you can unscramble the Under The Sea themed words in our word scrambles.

Under The Sea Word Scramble


Under The Sea Acrostic Poem

Under The Sea Acrostic Poem

Create your own Under The Sea themed Acrostic Poem.

Under The Sea Acrostic Poem


Under The Sea Arithmagon

Under The Sea Arithmagon

We have Arithmagons in three difficulty levels that are printable on Under The Sea themed worksheets to keep you challenged.

Easy triangle Arithmagon

Medium difficulty square Arithmagon

Difficult pentagon Arithmagon


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