
Fishing and the “Submerged Expansion” Map Guide
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Blox Fruits Fishing and Submerged Expansion: Complete Submerged Island Guide
I. Introduction to the Submerged Expansion: why it deserves a dedicated article
The “Submerged Expansion” refers to a set of new content centered on underwater areas and the fishing system, with the core being the new underwater map Submerged Island. For high‑level players, this zone not only features monsters with higher EXP and rewards but also houses fishing, resource gathering, and some hidden quests, making it a key hub for late‑game progression.
II. How to unlock Submerged Island (the underwater zone)
Submerged Island lies near high‑level seas and generally requires your character to be at a late‑game level (around 2700+ or above) to travel there safely, so it is not newcomer‑friendly. Players typically must first find Sub Port 01 near the Tiki Outpost sea area and talk to the submarine worker NPC; only by using the submarine transport can they enter the true underwater zone.
III. Beginner fishing: rods, bait, and basic flow
After you enter the Submerged Expansion area, you will quickly encounter the Fisherman NPC, who gives you your first basic fishing rod and sells simple bait while guiding you through the beginner fishing quests. The basic fishing flow is usually: move close to a specific water area → equip your rod → cast using bait → wait for a bite, then complete a small key‑press or rhythm mini‑game to catch fish of varying rarity.

IV. Fish rarity and rewards: why you should take fishing seriously
Fish in the game usually come in different rarities and sizes; the higher the quality, the more valuable the fish, and selling them to NPCs earns you more in‑game currency, while some rare fish are also required for specific quests or crafting recipes. As your fishing level increases, you can use better rods and bait, greatly boosting your chances of catching rare fish and special loot such as chests and event items, creating a positive loop where “higher level means higher income.”
V. Key points inside Submerged Island: NPCs, chests, and resource areas
Submerged Island is typically divided into several sub‑zones, including a main hub, monster spawn areas, resource mines, and hidden corners, with chest spawn points and special NPCs scattered across them.
Once you grasp the map layout, you can plan a “loop route” to kill monsters for EXP, gather resources, open chests, and then swing by safe water areas to fish, maximizing your gains per unit of time.
VI. Advanced fishing tips: how to make money and farm materials efficiently
For players with limited time, it is best to prioritize high‑value waters for focused fishing, leveraging the high prices of rare fish to quickly earn large amounts of currency to cover costly respecs, fruit purchases, and other expenses. If your main goal is collecting specific crafting materials or event items, it is recommended to lock onto areas where related fish and chests spawn during the relevant event period, combining fishing and combat for both efficiency and variety.
VII. Recommended fishing spots for AFK and chill grinding
Not every sea area is suitable for AFK or extended fishing sessions; the ideal spot has minimal monster interference, safe terrain, stable connection, and proximity to trading or buyback NPCs. Once you find such a safe point in or around Submerged Island, you can grind fish while doing other things without worrying about getting ambushed, achieving a truly “low‑stress, chill farming” experience.
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