The lagoon is quite deep but it is full of coral patches.

Inside this atoll there are also many reefs and little coral patches which make navigation difficult.

There are many coral patches and the depth of the water varies from 28 to 40 fathoms (51 to 73 m); sandy bottom.

A narrow passage leads to a lagoon, with many detached coral patches within the reef.

Large areas of the reef fall dry at low water and there are two lagoons, which each contain many coral patches within.

The lagoon is deep but full of coral patches (giri).

It was getting dark, the lagoon was full of coral patches, and we were carrying on.

Inside this ring of sand is a mighty lagoon studded with coral patches.

Large schools are often noticed by divers over shallow wrecks and certain coral patches, and this behavior inspired the common name.

He found good holding-ground off the north end of the larger bank in fifteen fathoms water; bottom sandy, with coral patches.