Back up to: Waterworld
11/11 Darryl Grimason joins a volunteer dive in the waters of Dundrum Bay.
10/11 Darryl Grimason revisits his childhood as he goes rock-pooling near Newcastle, Co Down.
9/11 Darryl Grimason swims with sharks in his exploration of the coastline.
8/11 Darryl Grimason dives deep below the dark waters off Donegal's Atlantic coast.
7/11 Darryl Grimason dives into Lough Erne in search of aquatic adventure.
6/11 Darryl Grimason reveals the hidden life below the surface of Strangford Lough.
5/11 Darryl Grimason discovers a remarkable rock pool in Strangford Lough.
4/11 Darryl Grimason swims in the fish factory off the Glens of Antrim.
3/11 Darryl Grimason explores the life beneath the waves at the Carrick-a-Rede rope bridge.
2/11 Darryl Grimason finds out more about what lies on the seabed off Rathlin Island.
1/11 Darryl Grimason scuba dives in search of adventure off the North Antrim coast.