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Fishing Lago Guajataca: what the data says
845-acre reservoir near Quebradillas. a scenic karst-country reservoir in northwest Puerto Rico known for largemouth and peacock bass over tilapia, catfish and sunfish. The lake tops out around 89 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Lago Guajataca
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 15 to 35 ft. If you only fish one area, make it Back-bay flat: a weed flat around 2 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Blade bait, Jigging spoon |
Peacock Bass (Tucunaré) fishing at Lago Guajataca
In spring, peacock bass (tucunaré) run shallow here, mostly 2 to 12 ft. Summer pushes them deeper, 3 to 15 ft, and winter fish settle into 6 to 22 ft. Main-lake point is the standout, a point at roughly 3 ft, rated prime for spring peacock bass (tucunaré). Best bite is midday and early morning.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 12 ft | midday & dawn | see map |
| Summer | 3 to 15 ft | midday & dawn | see map |
| Fall | 3 to 15 ft | midday & dawn | see map |
| Winter | 6 to 22 ft | midday | see map |
Tilapia fishing at Lago Guajataca
In spring, tilapia run shallow here, mostly 1 to 6 ft. They move out to 2 to 10 ft in summer and finish the year down in 5 to 18 ft. Back-bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring tilapia. Plan around midday and early morning in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | see map |
| Summer | 2 to 10 ft | midday & dawn | see map |
| Fall | 3 to 12 ft | midday | see map |
| Winter | 5 to 18 ft | midday | see map |
Channel Catfish fishing at Lago Guajataca
In spring, channel catfish run shallow here, mostly 3 to 12 ft. Summer pushes them deeper, 8 to 25 ft, and winter fish settle into 20 to 40 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 12 ft that scores good in spring. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 8 to 25 ft | night & dusk | |
| Fall | 10 to 30 ft | dusk | |
| Winter | 20 to 40 ft | midday |
Bluegill fishing at Lago Guajataca
In spring, bluegill run shallow here, mostly 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 10 to 25 ft. If you only fish one area, make it Back-bay flat: a weed flat around 2 ft that scores prime in spring. Best bite is early morning and the evening. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Notable structure
- Deep basin: deep basin, around 89 ft
- Break off the point: drop-off, around 56 ft
- Shallow bay flat: weed flat, around 12 ft
- Secondary point: point, around 4 ft
- Main-lake point: point, around 3 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Lago Guajataca?
Lago Guajataca is about 89 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Lago Guajataca?
Anglers target largemouth bass, peacock bass (tucunaré), tilapia, bluegill, channel catfish on Lago Guajataca.
Where is the best fishing spot on Lago Guajataca?
Back-bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lago Guajataca?
For largemouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.