"Wonderful snorkeling" refers to having a great and enjoyable experience while swimming on the surface of water using a special mask and breathing tube to observe the underwater world. Full definition
This makes for wonderful snorkeling without having to book a trip or get on a boat. (luxuryretreats.com)
The waters surrounding the island offer wonderful snorkeling, scuba diving and fishing. (islamujeresvacations.com)
The waters around the island are known to have wonderful snorkeling points with enough sunlight penetration that makes the mystical sea creatures visible. (montezumasurfing.com)