How do you unlock the Surrounded Sea and the Miracle Sea in Pokemon Mystery Dungeon Explorers of Time and Darkness?

Answer 1

A few days after you beat Blizzard Island, Corphish should be standing at the four way intersection(The Guild, the Map, Treasure Town, the Beach.) He'll say Sunflora is saying to everyone,"Oh my Gosh! The Surrounded Sea! No one has seen it in thousands of years! Oh my Gosh!" Go into the guild and find Sunflora. Talk to her, and unlock Surrounded Sea. Surrounded Sea has 20 floors. I would suggest not bringing in fire, ground, or rock types. They'll faint right away. At the end you'll find a "Wonder Egg", along with three Deluxe Boxes.

When you get back to Sharpedo Bluff that night, the Wonder Egg hatches into a Manaphy(At this point you don't know it's a Manaphy...)! You take Manaphy to Chatot. He tells you what it is, and then it starts crying. You have to bring it a Blue Gummi to make it stop crying. You can do one of two things. Go on an Epic Exploration of Craggy Coast to get a Blue Gummi, or you can do what I did, buy one at Kelcleon Market. After you give Manaphy the gummi, you take him back home, and you go to sleep. After a few days of playing, Manaphy dissapears! Don't worry, he's at the beach. Go get him, and bring him back to Sharpedo Bluff. When you get back, Chatot says he's taking a high fever, from being in the wrong enviroment. The only way to save him is to go to Miracle Sea, and get Phione Dew from the sea faries known as Phiones. I would suggest not bringing in fire, ground, or rock types. Bring a lot of Reviver Seeds. When you get too the end of Miracle Sea, you see the Phiones. But then a Gyrados charges in, and you have to battle him. As thanks for beating Gyrados, the Phione give you Phione Dew. Bring it back to Manaphy, and he's cured! But to keep Manaphy from getting sick again, you send him to grow up in the ocean with a Walrein. Aren't you sad?

Well don't be. Your next adventure is battling Darkrai. But after that Manaphy comes back and joins your team! He's level 40. Water type, obviously. If you have any questions, leave them on my message board, and I'll answer them. Good Luck!

Answer 2

To unlock the Surrounded Sea, you must accept a mission from Lapras and then defeat Manaphy at the dungeon's exit. To unlock the Miracle Sea, you must complete the special mission "Rescue Team Awaits" from Sharpedo Bluff and defeat Kyogre at the end of the dungeon.