List of submarines by upgraded maximum stats

For a sortable table, see /Sortable.

Highlight notes:

• Green: Outstanding
• Yellow: Above average
• Since the Luck Stat is difficult to modernize, it is listed as Base(Max).

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No.	Name	Class																Notes
126	I-168 Kai 伊168改 Imuya イムヤ	Kaidai VI (SS)	50	11	69	80	0	0	29	10(49)	15	18	49	Slow	0	10	20
128	I-8 伊8 Hachi はち	Junsen 3 (SS)	-	9		78			39	20(59)		19	37					Remodels into SSV
123	I-19 伊19 Iku イク	Junsen B (SS)			79	88				12(49)	14	18	36
283	I-26 伊26 Nimu ニム				75	84				14(51)			37
436	I-47 Kai 伊47改 Yona よな	Junsen C (SS)	50	12	88	100			30	50(97)	18	21	50				25
127	I-58 伊58 Goya ゴーヤ	Junsen B K2 (SS)	-	9	69	78			39	40(79)	14	19	36				20	Remodels into SSV
481	I-201 Kai 伊201改 Furei フレイ	Sentaka Type (SS)	55	4	68	72	5		48	24(87)	13	18	80			20
487	I-203 Kai 伊203改 Fuumi フーミ				69	73			48	24(88)			80
163	Maruyu Kai ゆ⃝改	Type 3 S.T.V. (SS)	20	5	19	24	0		19	7(77)	7	11	29			10	10	Buildable via LSC Can be used for Luck Modernization
231	U-511 Kai U-511改 Yuu ユー、さつき1号	Type IXC (SS)	35	12	64	76			29	34(67)	13	20	59				20
236	Ro-500 呂500 Ro ロー	Ro-series (SS)	55	13	69	82			34	44(77)	13	21	68					U-511 second remodel
534	C.Cappellini Kai C.Cappellini改	Marcello (SS)	30	2	33	35	18		28	35(77)	11	19	58				15
539	UIT-24		40	14	56	70	25		31	36(83)	12	20	65				20	C.Cappellini second remodel
540	I-503 伊503		55	18	70	88	29		33	43(93)	13	22	68					C.Cappellini third remodel
325	Luigi Torelli Kai Luigi Torelli改	Guglielmo Marconi (SS)	30	8	32	40	22		28	30(72)		18	56				15
329	UIT-25		40	12	36	48	25		30	35(77)		19	62				20	Luigi Torelli second remodel
330	I-504 伊504		55	15	68	83	28		32	40(85)	14	21	64					Luigi Torelli third remodel
496	Salmon Kai Salmon改	Salmon (SS)	45	13	75	88	0		45	17(96)	15	22	57				15
493	Scamp Kai Scamp改	Gato (SS)	50		82	95			43	17(72)	17	23	55				20
No.	Name	Class																Notes
Submarine Type SSV: Aircraft Carrying Submarine Aircraft Carrying Submarines are counted as Submarines for all mechanics such as Routing, Quests, and Expeditions and map branching. Therefore highlights are with respect to the whole table including Aircraft Carrying Submarines.
No.	Name	Class																Notes
294	I-13 Kai 伊13改 Hitomi ひとみ	Junsen A K2 (SSV)	45	16	72	88	0	0	43	8(48)	21	22	47	Slow	3 (2,1,0)	25	25	3 equipment slots
295	I-14 Kai 伊14改 Iyo いよ			12	68	80			44	24(77)	22	23	53
293	I-400 Kai 伊400改 Shion しおん	Sentoku Type (SSV)	37	20	82	102			46	19(58)	24	24	43		6 (3,3)		30
155	I-401 Kai 伊401改 Shioi しおい		35	19	80	99			45	20(59)			44
128	I-8 Kai 伊8改 Hachi はち	Junsen 3 (SSV)	50	14	84	98			39	25(69)	19	19	49		2 (1,1)	10	25
123	I-19 Kai 伊19改 Iku イク	Junsen B (SSV)		12	89	101			39	13(59)	18		49
283	I-26 Kai 伊26改 Nimu ニム				86	98			41	16(66)			52
127	I-58 Kai 伊58改 Goya ゴーヤ	Junsen B K2 (SSV)			84	96			39	50(79)			49
No.	Name	Class																Notes

• Submarines can only be attacked by ships with ASW stat or with proper gearing. In addition, those ships will prioritize attacking submarines first, meaning other ships can get away with no damage done to them. This method is known as "sub tanking".

• Submarines are among the most resource-efficient types in the game; they cost almost nothing to deploy and repair. Furthermore, they constitute cheap additions towards multiple Farming solutions, with several sorties and expeditions that can utilize them.

• After level 10, submarines can oTorp innately, not requireing any equipment. They still require to equip a Midget Submarine before reaching Lv 10.

• SSVs have doubled repair time compared to SS.

Name Notes

Given the nature of their names, many of the subs have self-given monikers for more casual reference:

• I-168: Imuya
• I-8: Hachi
• I-58: Goya
• I-13: Hitomi
• I-14: Iyo
• I-19: Iku
• I-26: Nimu
• I-47: Yona
• I-400: Shion
• I-401: Shioi
• I-201: Furei
• I-203: Fuumi
• Ro-500: Ro
• U-511: Yuu