
EXPLORE WITH GUSTAVO WOLTMANN
From wild salmon rivers to Indian Ocean atolls, explore outstanding places to fish for sport, for fun and for the love of adventure.
Gustavo Woltmann · Costa Rica–based retired business owner, engineer and technology enthusiast
42 destinations · 10 regions ↗FEATURED DESTINATIONS
A selection of ocean, island, river and mountain adventures from across the atlas.
THE INDIAN OCEAN
Discover legendary reefs, remote atolls, giant trevally and open-ocean fishing throughout the Indian Ocean.



Blue marlin, yellowfin tuna, wahoo

Giant trevally, dogtooth tuna, sailfish

Yellowfin tuna, sailfish, giant trevally


Giant trevally, king mackerel, sailfish

Giant trevally, dogtooth tuna, grouper
PUT YOUR ADVENTURE ON THE MAP
Click any location marker to jump directly to its complete fishing guide.

Map markers show approximate destination areas, not precise fishing access points. Open the full directory and map →

MEET THE FOUNDER
After retiring from business, Gustavo Woltmann made Costa Rica his home base. He now devotes months each year to exploring new waters with friends, meeting knowledgeable local guides and learning how technology can improve a day on the water.
His engineering and IT interests inform practical experiments with data logging, safe navigation and custom tackle accessories — always within the rules and spirit of sporting angling.
Read Gustavo’s story →FROM THE TRAVEL JOURNAL
Each guide features a adventure vignette inspired by the landscape, fishing style and decisions a traveler might face.

Sometimes the best part of a fishing trip happens between the strikes. Explore imagined first-person-style scenes with Gustavo Woltmann and his companions, paired with genuine practical planning guidance.
Read travel adventures →