Costa Rica is world-famous for deep sea fishing. With billfish, tuna, and mahi-mahi cruising the Pacific waters year-round, it’s a dream destination for anglers. But to make the most of your trip, it helps to be prepared. Deep sea fishing is exciting, fast-paced, and often full of surprises — and a little planning goes a long way.
Here’s what you need to know to get ready for your Costa Rica offshore fishing adventure.
1. Choose the Right Charter
Not all charters are the same. For deep sea fishing, you’ll want a larger, well-equipped boat with experienced crew members. Look for:
- A seasoned captain and crew who know the local waters and migration patterns.
- Comfortable amenities such as shade, bathrooms, and seating — important for a full day offshore.
- Quality fishing gear suited for billfish, marlin, tuna, and dorado.
2. Pack the Essentials
Even though your crew will provide most of the gear, there are a few personal items that can make your trip more enjoyable:
- Sunscreen & hat — the sun is strong offshore.
- Polarized sunglasses — to cut glare and spot fish activity.
- Light clothing — breathable shirts, shorts, or quick-dry gear.
- Motion-sickness medicine — even if you don’t usually get seasick, it’s smart to have some.
- Camera or phone (in waterproof case) — you’ll want proof of that sailfish or marlin!
3. Stay Hydrated and Fueled
Deep sea fishing can be physically demanding. Between fighting fish and spending hours in the sun, it’s easy to tire out. Most charters include water, sodas, and light meals, but you can bring extra snacks if you have a preference. Staying hydrated keeps your energy up for when the big bite comes.
4. Know What to Expect
Offshore trips usually last 8–9 hours, giving you plenty of time to reach the prime fishing grounds, which are often 20–40 miles from shore. On a good day, you might hook multiple sailfish or even a marlin. Other days, the action may be slower. Fishing is never guaranteed, but the excitement of the chase is part of the adventure.
Tip: The peak season for sailfish runs December through April, while marlin, tuna, and dorado can be caught year-round.
5. Respect the Catch
Costa Rica has strong conservation practices, especially with billfish like sailfish and marlin, which are catch-and-release only. Your crew will help you handle fish properly and safely release them. Other species like tuna, mahi-mahi, and snapper may be kept and enjoyed as fresh-caught meals. Many local restaurants will even prepare your catch for dinner.