The Most Dangerous Vacation Spots in the World Condado Beach, Puerto Rico This is a popular and beautiful beach in San Juan. It’s very secure on the shore- the danger lies below the water. Undertow, riptides and massive swells make getting in the water at Condado beach unusually risky. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40