AMPHIBIAN ISLAND

1 . An amphibian artificial island adapted for habitation of humans and aquatic flora & fauna, said island is integrally configured and comprising (i) an underwater portion sitting on a seabed adapted to enable sea water (free) flow; (ii) an above-water platform; and possibly, (iii) recreation and/or accommodation facilities; wherein said unified bi-functional artificial island enables both humans and aquatic flora & fauna coexistence.

2 . The artificial island according to claim 1 , wherein said underwater portion is assembled of a plurality of prefabricated perforated modular marine structure units capable of interconnection.

3 . The amphibian artificial island according to claim 1 , wherein said underwater portion is furnished with means for forming artificial reefs.

4 . The amphibian artificial island according to claim 1 , wherein said artificial island further comprising a bridge connecting said artificial island to dry land.

5 . An environmentally friendly deepwater artificial archipelago adapted for conflict-free habitation of humans and aquatic flora and fauna, comprising a plurality of artificial islands; each said artificial island is integrally configured and comprises an underwater portion sitting on a seabed, an above-water platform, and accommodation facilities; wherein said underwater portion further comprises at least on passageway adapted for sea water flowing via said underwater portion.

6 . The artificial archipelago according to claim 5 , wherein said underwater portion of each said artificial island is assembled of a plurality of prefabricated perforated modular marine structure units capable of interconnection.

7 . The artificial archipelago according to claim 5 , wherein said archipelago comprises a bridge connecting said artificial island to dry land.

8 . The artificial archipelago according to claim 5 , wherein said artificial islands are interconnected by a plurality of bridges.

9 . A method of forming an environmentally friendly deepwater artificial island comprising integrally erecting said artificial island wherein said step of erecting of said island further comprises configuring at least one open-ended water passageway in an underwater portion of said artificial island.

10 . The method according to claim 9 , wherein said erecting said artificial island comprises forming said underwater portion by means of assembling plurality of prefabricated perforated modular marine structure units capable of interconnection.

11 . A method of forming an archipelago of environmentally friendly deepwater artificial islands comprising integrally erecting said artificial islands wherein said step of erecting of said island further comprises configuring at least one open-ended water passageway in an underwater portion of each said artificial island.

12 . The method according to claim 11 , wherein said erecting said artificial islands comprises forming said underwater portions of said artificial islands by means of assembling plurality of prefabricated perforated modular marine structure units capable of interconnection.