Big Scare

Best time to dive

May to November; December to April

What you might see

• Bull sharkLikely
• Grey reef sharkPossible
• Manta rayLikely

Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.

Certification & difficulty

Advanced Open Water - advanced conditions (currents/depth); dive within your training.

Snorkelling

Not a snorkel site - Not offered - rocky current site, boat scuba only

Safety notes

Strong current and surface swell, depths to 30m+, no safety lines, large bull sharks (6-7m reported), remote from medical care (~1hr to nearest facility), thermoclines

Permits & fees

No separate national-park entry permit (Bat Islands sit within Guanacaste/Santa Rosa conservation waters); dive tax/marine park fee may be collected by operator - confirm locally; day-boat trip from Coco/Flamingo, not liveaboard-only

Permits and operators change - confirm before booking.

Location

Nearest hub: Playas del Coco