Paddle or swim from Benagil Beach to the famed Algar de Benagil and step onto a hidden sand pocket beneath a skylight. This short, guided board tour puts you inside a dramatic sea cave while offering geology, fossils, and intense photo moments.
More ways to explore the area's outdoor wonders
Sand grinds underfoot as the sea pulls away and a rim of sun slides through a perfect circular skylight. You arrive at Benagil Beach to the sound of oars and the low, practiced chatter of guides in yellow shirts. Within minutes you are on a board, fins nudging, the Atlantic pushing you toward a gaping mouth in a cliff face — Algar de Benagil — one of the Algarve's most dramatic sea caves.
Difficulty
moderate
Duration
1 hour
Fitness Level
Basic swimming ability and balance on an inflatable or hard board; comfortable with short swims and standing paddling.
Wildlife
History
The cave formed in Miocene limestone as wave erosion exploited bedding plane weaknesses; fossil fragments in the walls record ancient marine life.
Conservation
Operators limit group size and time on the inner beach to reduce erosion and disturbance; avoid touching fossilized walls and pack out all trash.
Reserve your spot on the Benagil Cave by Board in Lagoa today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Check sea conditions before booking
The cave is only accessible in calm seas; choose mornings for smoother water and clearer access.
Bring a waterproof camera case
The glow through the skylight is the prime photo moment — protect gear from spray and sand.
Wear reef shoes or water sandals
Short walks on rocky ledges and beach exits are easier and safer with protective footwear.
Respect group size and time limits
Tours limit time on the inner beach to protect fragile formations — savor the visit but follow your guide.
Reef shoes or water sandals
Protect feet on slick rocks and when stepping on the small inner beach.
Waterproof phone case or small dry bag
Keeps camera and phone safe from spray while you paddle and pose.
High-SPF, reef-safe sunscreen
Sun reflects off the water and the pale cliffs; protect exposed skin.
summer
Quick-dry towel and light change of clothes
You'll want to rinse off and change after the board and swim portion.