WHILE RETURNING FROM A FISHING TRIP IN ONTARIO, CANADA, THE PLT LANDED AT CRANE LAKE, MN, WHERE HE CLEARED CUSTOMS & HAD 10 GAL OF FUEL ADDED TO THE RIGHT FUEL TANK. HE THEN FLEW TO EVELETH, MN, APRX 90 MI AWAY. FROM EVELETH, HE PROCEED TOWARD ELY LAKE, MN. WHEN HE WAS APRX 3 MI FROM ELY LAKE, THE ENG LOST POWER AS HE STARTED A DESCENT. HE SWITCHED FUEL TANKS & TRIED TO START THE ENG, BUT WAS UNABLE. REPORTEDLY, THE LEFT FUEL GAUGE WAS INDICATING THE TANK WAS STILL 3/4 FULL WHEN THE ENG LOST POWER. DURING AN APCH TO LAND IN A WATER FILLED, PIT MINE, THE ACFT WAS SLOWED TO NEAR THE STALL SPEED AS THE PLT FLEW OVER POWER LINES. HE THEN DOVE THE PLANE TOWARD THE WATER & FLARED, BUT REPORTEDLY, THE PLANE STALLED WHEN IT WAS APRX 5 FT ABOVE THE WATER. DURING TOUCHDOWN, THE RIGHT FLOAT COLLAPSED & THE SPREADER BAR, THE RIGHT WING TIP & PROPELLER WERE DAMAGED. A INVESTIGATION REVEALED THE ENG LOST POWER DUE TO A LACK OF FUEL.