Water Land (also known as Sea Side in the original japanese release & the reissues) is a kingdom of the Mushroom World full of islands surrounded by a big sea. It is the third world in Super Mario Bros. 3, following World 2 and before World 4. The Koopaling Wendy O. Koopa stole the magic wand from the king and turned him into a snail creature (or a Dino Rhino). Mario had to travel the watery levels of this kingdom and defeat Wendy for the magic wand to save the king. Water Land's waters is a place full of dangerous fish creatures like Bloopers, Cheep cheeps, Jelectros, and the Boss Bass who can swallow Mario whole even when he's Super.
Level Descriptions[]
World 3-1[]
The first level is set at the bottom of the sea at night time. If the player swims down when a Blooper Nanny appears, they can access an area with many Blocks, Coins, and a block containing a 1-Up Mushroom. All three versions of Bloopers appear.
By allowing oneself to slide through the gap in the seafloor at the very beginning of the level, the player will find a secret area with a ? Block containing a Fire Flower. After the first Blooper, Mario can jump out of the water and scale the wall, finding another secret area with a Fire Flower.
World 3-2[]
After leaping onto the first moving platform, pushing against a certain wooden block will reveal a Starman. When invincible, all ? Blocks along the way will hold more Starmen; if not, they will contain one coin. To reach the exit, Mario must enter a pipe when the Venus Fire Trap backs into the pipe.
World 3-3[]
This level features Boss Basses. If Mario approaches one, it will lunge at him with its mouth open, and if it eats Mario, he will instantly lose one life, even if he is equipped with an item. Even though the Boss Bass can be killed with a fireball, a new one will eventually come back. By stepping on a Koopa to the left of a Note Block and a huge formation of blocks, the player will reveal a P-Switch, allowing Coins to appear and the power-up in the Note Block to be grabbed more easily.
World 3-Fortress 1[]
This castle is a huge maze, with doors all leading to different places. The first, second, third, and fourth doors all lead to the same place: a pool of water with a ? Block concealing a power-up at the end, and two pipes that lead to the beginning of the level. The fifth leads to a secret ledge with a 1-Up in a block, the sixth to a ledge with the door to the Boom Boom battle, the seventh and eighth to the pool, but the last has a cache of coins that can be snagged by Raccoon Mario, or reached after hitting two hidden blocks on the left-hand side.
World 3-4[]
The level begins with two Goombas walking up a small slope. They can be easily dispatched by pressing and holding Down on the D-Pad while walking down the slope. Immediately afterward, a Piranha Plant inside a pipe is stationed. A ? Block right by yields either a Super Mushroom or a Fire Flower, depending on what the player currently is equipped with. A larger slope curves down nearby, with three Goombas walking up it.
Later in the level is a pipe extending from the top of the level downwards. The pipe contains a Venus Fire Trap. A P-Switch is revealed if one of the low blocks is hit from the bottom. When pressed, many Silver Coins appear near the area of the button. Ahead are two ? Blocks, one containing a Super Leaf. Shortly after, the Goal Panel is located.
World 3-5[]
This level introduces Jelectros, invincible jellyfish enemies, and Big Berthas, who look similar to Boss Basses, but simply shoot Baby Cheeps out of their maws. If Mario is equipped with a Frog Suit, he can go down a bubble-spewing pipe to gain access to three 1-Up Mushrooms.
World 3-6[]
This level is force scrolled, and constantly scrolls in a certain direction. A majority of the level requires Mario to jump from platform to platform to avoid falling.
World 3-7[]
On the stack of wood blocks Mario starts out on, the top one contains a power-up. In a later group of bricks, Mario can destroy them to reveal a 1-Up. After the first pipe, the player can grab a Koopa shell and release it at the top brick formation to grow a Magic Vine. It will lead to a series of cloud platforms, ending at a block that contains a P-Switch. There is also a hidden pink Note Block that takes Mario to a special Coin Heaven with a Jugem's Cloud at the end.
World 3-Fortress 2[]
This level introduces Stretches, platforms from which Boo heads protrude. Some Stretches have Boos on one side, while others have them on both. At the end of the level is a pipe leading to Boom Boom, the stage boss.
World 3-8[]
The Boss Bass is again present in this level. The water rises to higher levels, but Magic Vines are abundant, allowing Mario to reach safety. The solitary block later has a 1-Up, while the rest have either Magic Vines or Coins. The level later breaks into two paths, and rejoins by the end of the level. Also, if enough coins are collected in this level, a White Mushroom House with a P-Wing will appear.
World 3-9[]
The level features a pipe that leads to a secret room containing a Frog Suit.
World 3-Airship[]
After avoiding the many obstacles along the way, Mario will meet Wendy O. Koopa. She uses Candy Rings that bounce off walls as a weapon. After jumping on Wendy's head twice, she will start bouncing around the room, making her more difficult to jump on. After she is defeated, Mario is granted with the Magic Wand.
Canoe[]
If the player has a Hammer in their inventory, they can break a rock to gain access to the canoe. The player can then control the canoe across the water to an island with two Mushroom Houses and two Spade Panels and a second island with a third Mushroom House.
Gallery[]
Level maps[]
Trivia[]
- The far right island is a digital recreation of the Island of Japan.
- The song that plays here is very similar to that of a Fairy Fountain in the Legend of Zelda series.
 
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| Characters | Protagonists | Mario • Luigi |
| Other characters | Kings • Princess Toadstool | |
| Bosses | Boom Boom • Bowser • Koopalings (Larry Koopa • Iggy Koopa • Lemmy Koopa • Ludwig von Koopa • Morton Koopa • Roy Koopa • Wendy Koopa) | |
| Enemies | Enemies | Angry Sun • Baby Cheep • Big Bertha • Blooper • Baby Blooper • Blooper Nanny • Bob-omb • Boo Buddy • Boomerang Bro • Boss Bass • Bullet Bill • Buster Beetle • Buzzy Beetle • Chain Chomp • Cheep-Cheep • Colossal Koopa Paratroopa • Dry Bones • Fiery Walking Piranha • Fire Bro • Fire Chomp • Fire Snake • Gargantuan Koopa Troopa • Goomba • Grand Goomba • Hammer Bro • Hanging Piranha Plant • Hot Foot • Jelectro • Koopa Paratroopa • Koopa Troopa • Kuribo's Goomba • Lakitu • Lava Lotus • Micro-Goomba • Missile Bill • Muncher • Nipper Plant • Para-Beetle • Para-Goomba • Pile Driver Micro-Goomba • Piranha Plant • Piranhacus Giganticus • Podoboo • Ptooie • Rocky Wrench • Scattering Blooper • Sledge Brother • Spike • Spiny Cheep-Cheep • Spiny • Spiny Egg • Stretch • Thwomp • Venus Fire Trap |
| Items | Power-ups | Fire Flower • Frog Suit • Hammer Suit • Kuribo Shoe • Mushroom Coin* • Starman • Super Mushroom • Super Leaf • Tanooki Suit |
| Map | Anchor • Hammer • Lakitu's Cloud • Music Box • P-Wing • Warp Whistle | |
| Level | 1-Up Mushroom • Coin • Magic Ball • Magic Wand • Silver Coin | |
| Worlds | World 1 | World 1-1 • World 1-2 • World 1-3 • World 1-4 • World 1- • World 1-5 • World 1-6 • World 1-
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| World 2 | World 2-1 • World 2-2 • World 2- • World 2-3 • World 2- • World 2-4 • World 2-5 • World 2- • World 2-
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| World 3 | World 3-1 • World 3-2 • World 3-3 • World 3- • World 3-4 • World 3-5 • World 3-6 • World 3-7 • World 3- • World 3-8 • World 3-9 • World 3-
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| World 4 | World 4-1 • World 4-2 • World 4-3 • World 4- • World 4-4 • World 4-5 • World 4-6 • World 4- • World 4-
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| World 5 | World 5-1 • World 5-2 • World 5-3 • World 5- • World 5- • World 5-4 • World 5-5 • World 5-6 • World 5-7 • World 5- • World 5-8 • World 5-9 • World 5-
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| World 6 | World 6-1 • World 6-2 • World 6-3 • World 6- • World 6-4 • World 6-5 • World 6-6 • World 6-7 • World 6- • World 6-8 • World 6-9 • World 6-10 • World 6- • World 6-
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| World 7 | World 7-1 • World 7-2 • World 7-3 • World 7-4 • World 7-5 • World 7- • World 7- • World 7-6 • World 7-7 • World 7-8 • World 7-9 • World 7- • World 7- • World 7-
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| World 8 | World 8- • World 8- • World 8- • World 8- • World 8-1 • World 8-2 • World 8- • World 8- • World 8-
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| Other locations | Other locations | Enemy Course • Panel (N-Mark Spade Panel · Spade Panel · Start Panel) • Toad House • Treasure Ship |
| Forms | Forms | Small Mario • Super Mario • Fire Mario • Raccoon Mario • Frog Mario • Tanooki Mario (Statue Mario) • Hammer Mario • Invincible Mario |
| Objects | Regular | ? Block • Big Block • Bolt Lift • Brick Block • Buzzy Beetle Shell • Card • Cloud Block • Cloud Lift • Coin Block • Coral • Directional Lift • Donut Lift • Empty Block • Flimsy Lift • Frozen Coin • Giant Green Shell • Giant Red Shell • Goal • Green Shell • Hidden Block • Ice Block • Jump Block • Lift • Magic Ball • Magic Door • Magic Note Block • Mega ? Block • P Warp Door • Quicksand • Red Shell • Rotary Lift • Semisolid Platform • Spiny Shell • Switch Block • Tank • Track • Treasure box • Vine • Warp Door • Warp Pipe • Wood Block |
| Obstacles | Bowser Statue • Candy Ring • Cannon • Cannonball • Giant Cannonball • Lava • Pit • Rocket Engine • Roto-Disc • Spike • Tornado • Turtle Cannon | |
| World-e-exclusive | Levels | 01: Classic World 1-1 • 02: Classic World 1-2 • 03: Classic World 1-3 • 04: Classic World 1-4 • 05: Classic World 2-2 • 01: Wild Ride in the Sky • 02: Slidin' the Slopes • 03: Vegetable Volley • 04: Doors o' Plenty • 05: Bombarded by Bob-ombs • 06: Magical Note Blocks • 07: The ol' Switcheroo • 08: Piped Full of Plants • 09: Swinging Bars of Doom • 10: Para Beetle Challenge • 11: A Musical Trek • 12: Armored Airship • 13: Ice Dungeon • 14: A Sky-High Adventure • 15: Sea to Sky • 16: It's a Shoe-In • 17: Slip Slidin' Away • 18: Ice Cubed • 19: Puzzling Pipe Maze • 20: A Towering Tour • 21: Castle Dash • 22: Rich with Ropes • 23: Vexing Doors • 24: Caped Escape • 25: Ground Work • 26: An Aqueous Adventure • 27: Bowser's Last Stand • 28: Koopaling Confusion • 29: Bowser's Airship 1 • 30: Bowser's Airship 2 • Airship's Revenge • No Time to Dawdle • Treacherous Halls |
| Enemies and obstacles | Amazing Flyin' Hammer Brother • Big Boo • Bony Beetle • Bowser Statue (Super Mario World) • Bumpty • Chargin' Chuck • Fake Bowser (boss) • Falling spike • Fire-Bar • Flurry • Goomba (Super Mario World) • Hoopster • Hothead • Jumping Piranha Plant • Lil Sparky • Magikoopa • Monty Mole • Para-Goomba (Super Mario World) • Porcupo • Rip Van Fish • Spike Top • Thwimp • Wiggler | |
| Items | 3-Up Moon • Advance Coin • Boomerang • Cape Feather • e-Coin • Poisonous Mushroom | |
| Objects | ! Switch • Axe • Balance Lift • Bubble • Control Coin • Dotted-Line Block • Flagpole • Flipper • Giant Gate • Grass • Gray Brick Block • Key • Key Door • Power Meter Block • Rotating Block • Roulette Block • Seesaw • Snake Block • Soft sand • Springboard • Stretch Block • Triangular Block • Vanishing Block • Vegetable | |
| Switch Cards | 1UP Kinoko ga 3UP Moon ni kawaru! • Blue Green Switch • Luigi Power Up! • Orange Switch • Sugu ni mantan! Power Meter!! • Teki Power Up! Tokuten x2!! • Timer yukkuri! | |
| Minigames | Blue Mushroom House • Orange Mushroom House • Red Mushroom House | |
| Other | Caped Mario • e-Coin Castle | |
| Terms | Terms | Completion • Game Over • Extra life • P-Meter • Time limit • Unwinnable state |
| Other | Other | Gallery (Super Mario Advance 4: Super Mario Bros. 3) • Matching Game |