

Best for advanced divers, 20-30m, boat entry, strong current.
The Big Scare is a challenging reef and drift dive located in the Bat Islands, Costa Rica. This site is strictly for advanced divers due to strong currents and depths ranging from 20 to 30 metres. Divers must access the site by boat, as it is situated approximately 48 kilometres from shore. Visibility is highly variable, ranging from 3 to 30 metres, and intense thermoclines are common. Water temperatures fluctuate between 23C and 26C. Hazards include deep water, nitrogen narcosis, strong currents, and the presence of sharks. Species recorded around this area include King Angelfish, various moray eels, hawkfish, groupers, and wrasses.
10.85240, -85.95870
Carry a primary torch plus two backups for cave penetration as the volcanic rock absorbs light quickly.
Boat access is required for this site.
Recorded at this site
Depth
20-30m
Visibility
3-30m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
23-26°C
Current
Strong
Typical Dive
45 min
Best Time
Jun, Jul, Aug, Sep, Oct
Species recorded around this area include King Angelfish, Honeycomb Moray, Panamic Green Moray, Jewel Moray, Longnose Hawkfish, wrasses, rock cod, porcupinefish, groupers, pufferfish, flower urchins, and pixy hawkfish.
No, The Big Scare is designated for advanced divers only due to the strong currents, deep water, and potential for intense thermoclines.
The depth at The Big Scare typically ranges between 20 and 30 metres, with an average depth of 25 metres.
This is a boat-only dive site located approximately 48 kilometres from the shore.
No, this site is intended for diving and is not suitable for snorkelling due to the depth and strong currents.
Diving at The Big Scare in Guanacaste requires the following certifications: Advanced. Always dive within your training limits.
Yes, equipment rental is available at or near The Big Scare in Guanacaste. Contact local dive operators for specific gear availability and prices.
A 3mm wetsuit is recommended for diving at The Big Scare in Guanacaste. Water temperatures range from 23°C to 26°C.
The best months to visit The Big Scare in Guanacaste are June, July, August, September, and October. Conditions outside these months can still be good but are less predictable.
Divers at The Big Scare in Guanacaste should be aware of sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
The Big Scare in Guanacaste can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at The Big Scare in Guanacaste typically ranges from 3 metres to 30 metres. Conditions vary with weather, tides, and seasons.