Grand Sea

← Darknight Relic

Grand Sea

Waterfall Pond →

Grand Sea 大きな海 Grand Sea

Basic info Floors: 30 Rest stops: No Traps: Yes Monster Houses: Yes Main type: Water Boss: None

Allowances Recruiting: Yes Items: Allowed Money: Allowed Starting level: Current Team members: 3

Location

Grand Sea (Japanese: 大きな海 Grand Sea) is a dungeon in Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team and Pokémon Mystery Dungeon: Rescue Team DX that contains 30 floors. It is automatically unlocked by purchasing the Serene Sea^RB/Bountiful Sea^RTDX Friend Area, which is available after the completion of the main story.

Gameplay

Generation III

HM Dive is required to enter the dungeon. The DeepSeaScale can be found on 15F and the DeepSeaTooth can be found on 25F, surrounded by water. If player already has that item in their Toolbox or storage, it will be replaced by a Link Cable. Additionally, all floors are shrouded in darkness, limiting field of view in hallways to 2 tiles.

Generation VIII

The final floor contains 2 Deluxe Boxes, 1 Calcium, 1 Carbos, 1 Iron, 1 Protein, and 1 Zinc.

Pokémon encountered

Generation III

Pokémon		Floors	Levels	Recruit Rate
	Wingull	1-5	23	12.5%
	Tentacool	1-9	25	8.3%
	Qwilfish	1-9	30	6.9%
	Kabuto	5-13	28	7.2%
	Corsola	5-13	27	8.3%
	Slowpoke	6-14	25	12%
	Horsea	10-20	29	12.4%
	Dragonite	10, 15, 20, 25	24	Unrecruitable
	Anorith	14-23	26	8.7%
	Krabby	15-20	32	8%
	Staryu	15-25	28	8.9%
	Vaporeon	20, 30	22	Unrecruitable
	Tentacruel	21-30	33	-30%
	Kabutops	24-30	33	Unrecruitable
	Slowbro	25-30	27	Unrecruitable
	Kingler	24-30	35	Unrecruitable
	Seadra	27-30	20	-19%
	Mantine	30 R	15	9.5%

Generation VIII

Pokémon		Floors	Levels	Recruit Rate
	Wingull	1-5	37	8.2%
	Tentacool	1-9	37	8.2%
	Qwilfish	1-9	37	8.2%
	Mantyke	1-4, 29	37	8.2%
	Corsola	5-13	37	8.2%
	Kabuto	5-13	37	8.2%
	Slowpoke	6-9	37	8.2%
	Remoraid	10-19	37	8.2%
	Horsea	10-20	37	8.2%
	Dragonite	10, 15, 20, 25	55	10.8%
	Anorith	14-23	37	8.2%
	Krabby	15-20	37	8.2%
	Staryu	15-25	37	8.2%
	Vaporeon	20	37	8.2%
	Tentacruel	21-29	37	8.2%
	Kingler	24-29	37	8.2%
	Kabutops	24-29	40	8.2%
	Slowbro	25-29	37	8.2%
	Seadra	27-29	37	8.2%
	Mantine	28-29	37	8.2%
Fainted Pokémon
	Nidoran♀	2-29	39	100%
	Parasect	2-29	41	100%
	Psyduck	2-29	39	100%
	Primeape	2-29	41	100%
	Weepinbell	2-29	39	100%
	Sunflora	2-29	41	100%
	Skarmory	2-29	41	100%
	Tyrogue	2-29	39	100%
	Breloom	2-29	39	100%
	Lairon	2-29	39	100%
	Swablu	2-29	39	100%
	Lileep	2-29	39	100%
	Tropius	2-29	39	100%
	Budew	2-29	39	100%
	Ambipom	2-29	39	100%
Mystery House
	Tentacruel	2-29	37	100%
	Krabby	2-29	37	100%
	Staryu	2-29	37	100%
	Gyarados	2-29	37	100%
	Corsola	2-29	37	100%
	Mantine	2-29	37	100%
	Wingull	2-29	37	100%
	Sharpedo	2-29	37	100%
	Wailord	2-29	37	100%
	Clamperl	2-29	37	100%
Strong Foe
	Starmie	6-29	60	Unrecruitable -6.4%
Shiny Starmie can only be recruited with a Friend Bow.

Items

Generation III

Grand Sea

Item		Floors
	4-314 Poké	1-30F
	Bounce Band	1-30F
	Curve Band	1-30F
	Detect Band	1-30F
	Diet Ribbon	1-30F
	Gold Ribbon	1-30F
	Heal Ribbon	1-30F
	Joy Ribbon	1-30F
	Patsy Band	1-30F
	Pecha Scarf	1-30F
	Plain Ribbon	1-30F
	Power Band	1-30F
	Racket Band	1-30F
	Sneak Scarf	1-30F
	Stamina Band	1-30F
	Warp Scarf	1-30F
	Insomniscope	1-30F
	Scope Lens	1-30F
	Whiff Specs	1-30F
	X-Ray Specs	1-30F
	7-9 Geo Pebble	1-30F
	3-4 Gravelerock	1-30F
	Cheri Berry	1-30F
	Allure Seed	1-30F
	Blinker Seed	1-30F
	Heal Seed	1-30F
	Sleep Seed	1-30F
	Totter Seed	1-30F
	Deepseascale	15F
	Deepseatooth	25F
	Link Cable	15, 25F
	Aerial Ace	1-30F
	Attract	1-30F
	Brick Break	1-30F
	Bullet Seed	1-30F
	Calm Mind	1-30F
	Dig	1-30F
	Earthquake	1-30F
	Facade	1-30F
	Focus Punch	1-30F
	Frustration	1-30F
	Giga Drain	1-30F
	Hidden Power	1-30F
	Ice Beam	1-30F
	Light Screen	1-30F
	Psychic	1-30F
	Reflect	1-30F
	Rest	1-30F
	Return	1-30F
	Roar	1-30F
	Safeguard	1-30F
	Secret Power	1-30F
	Shadow Ball	1-30F
	Shock Wave	1-30F
	Solarbeam	1-30F
	Taunt	1-30F
	Thief	1-30F
	Thunderbolt	1-30F
	Torment	1-30F
	Toxic	1-30F
	Blowback Orb	1-30F
	Cleanse Orb	1-30F
	Escape Orb	1-30F
	Evasion Orb	1-30F
	Hurl Orb	1-30F
	One-Room Orb	1-30F
	Petrify Orb	1-30F
	Pounce Orb	1-30F
	Radar Orb	1-30F
	Rebound Orb	1-30F
	Rollcall Orb	1-30F
	Scanner Orb	1-30F
	Switcher Orb	1-30F
	Trapbust Orb	1-30F
	Trawl Orb	1-30F
	Warp Orb	1-30F

Monster House

Item		Floors
	4-314 Poké	1-30F
	Aerial Ace	1-30F
	Attract	1-30F
	Brick Break	1-30F
	Bullet Seed	1-30F
	Calm Mind	1-30F
	Dig	1-30F
	Earthquake	1-30F
	Facade	1-30F
	Fire Blast	1-30F
	Flamethrower	1-30F
	Focus Punch	1-30F
	Frustration	1-30F
	Giga Drain	1-30F
	Hidden Power	1-30F
	Ice Beam	1-30F
	Light Screen	1-30F
	Psychic	1-30F
	Reflect	1-30F
	Rest	1-30F
	Return	1-30F
	Roar	1-30F
	Safeguard	1-30F
	Secret Power	1-30F
	Shadow Ball	1-30F
	Shock Wave	1-30F
	Solarbeam	1-30F
	Taunt	1-30F
	Thief	1-30F
	Thunderbolt	1-30F
	Torment	1-30F
	Toxic	1-30F
	Blowback Orb	1-30F
	Escape Orb	1-30F
	Evasion Orb	1-30F
	Hurl Orb	1-30F
	Petrify Orb	1-30F
	Pounce Orb	1-30F
	Radar Orb	1-30F
	Rebound Orb	1-30F
	Rollcall Orb	1-30F
	Scanner Orb	1-30F
	Switcher Orb	1-30F
	Trawl Orb	1-30F
	Warp Orb	1-30F

Generation VIII

Grand Sea

This section is incomplete. Please feel free to edit this section to add missing information and complete it. Reason: needs floor numbers and items

Item		Floors
	50-142 Poké	1-29F
	Efficient Bandanna	1-29F
	Heal Ribbon	1-29F
	Joy Ribbon	1-29F
	Nullify Bandanna	1-29F
	Pecha Scarf	1-29F
	Persim Band	1-29F
	Recovery Scarf	1-29F
	Weather Band	1-29F
	Goggle Specs	1-29F
	Insomniscope	1-29F
	Scope Lens	1-29F
	X-Ray Specs	1-29F
	Max Ether	1-29F
	Max Elixir	1-29F
	All Dodge Orb	1-29F
	All Power-Up Orb	1-29F
	All Protect Orb	1-29F
	Cleanse Orb	1-29F
	Decoy Orb	1-29F
	Drought Orb	1-29F
	Escape Orb	1-29F
	Foe-Hold Orb	1-29F
	Foe-Seal Orb	1-29F
	Health Orb	1-29F
	Inviting Orb	1-29F
	Lasso Orb	1-29F
	Nullify Orb	1-29F
	One-Room Orb	1-29F
	Petrify Orb	1-29F
	Quick Orb	1-29F
	Rare Quality Orb	1-29F
	Revive All Orb	1-29F
	Rollcall Orb	1-29F
	Slow Orb	1-29F
	Slumber Orb	1-29F
	Totter Orb	1-29F
	Trawl Orb	1-29F
Treasure room
	Calcium	30F
	Carbos	30F
	Iron	30F
	Protein	30F
	Zinc	30F
	2 Deluxe Box	30F

Sparkling Floor

Item		Floors
	Deluxe Ribbon	1-29F
	Sitrus Berry	1-29F
	Heal Seed	1-29F
	Life Seed	1-29F
	Reviver Seed	1-29F
	Carbos	1-29F
	Iron	1-29F
	Protein	1-29F
	Zinc	1-29F

Monster House

Item		Floors
	50-141 Poké	1-29F
	Efficient Bandanna	1-29F
	Joy Ribbon	1-29F
	Persim Band	1-29F
	Recovery Scarf	1-29F
	Scope Lens	1-29F
	Max Ether	1-29F
	Max Elixir	1-29F
	All Power-Up Orb	1-29F
	All Protect Orb	1-29F
	Cleanse Orb	1-29F
	Escape Orb	1-29F
	Foe-Hold Orb	1-29F
	Foe-Seal Orb	1-29F
	Petrify Orb	1-29F
	Quick Orb	1-29F
	Rare Quality Orb	1-29F
	Revive All Orb	1-29F
	Slow Orb	1-29F
	Slumber Orb	1-29F
	Totter Orb	1-29F

Traps encountered

Generation III

Note: The % are rough estimates.

Image	Trap	Floor 1-30
	Grimy Trap	16.67%
	Mud Trap	16.67%
	PP-Zero Trap	22.22%
	Seal Trap	22.22%
	Sticky Trap	16.66%
	Summon Trap	5.56%

Generation VIII

This section is incomplete. Please feel free to edit this section to add missing information and complete it. Reason: needs percentages

Note: The % are rough estimates.

Image	Trap	Floor 1-29
	Apple Trap	? %
	Blast Trap	? %
	Gust Trap	? %
	Hunger Trap	? %
	Poison Trap	? %
	Pokémon Trap	? %
	PP-Zero Trap	? %
	Seal Trap	? %
	Slow Trap	? %
	Slumber Trap	? %
	Spiky Trap	? %
	Spin Trap	? %
	Trip Trap	? %
	Warp Trap	? %

Other encounters

Generation III

Image	Tile	Floor 1-30
	Monster House	6%

Layout

Interior

In other languages

Language Title French Haute Mer German Weites Meer Italian Grande Mare Korean 넓은 바다 Neolb-eun Bada Spanish Gran Mar

This article is part of both Project Locations and Project Sidegames, Bulbapedia projects that, together, aim to write comprehensive articles on the Pokémon Locations and Sidegames, respectively.