From left to right:
1. Sea Urchin Lamp: No sea urchins were harmed in the creation of this resin lamp with recycled chop stick spines. Available at LaCor Furniture.
2. Sea Shell Lamp: This lamp is made from hundreds of sea shells, but strikes a bold, modern shape. Available from Regalia Living.
3. Sea Urchin Night Light: Handycraftfuntique shows you how to create your own LED sea urchin lamp.
5. Capiz Shell Lamp: Capiz shell lamps have been fairly common on the design scene, but this lamp against a grey wall makes a striking impression. From The Living Guide by Selma.
(Images: As linked above)