THE PILOT STATED THAT AFTER GETTING AIRBORNE THE AIRPLANE WOULD NOT CLIMB ANY HIGHER THAN ABOUT 2 FEET ABOVE THE GROUND WITHOUT THE STALL WARNING HORN SOUNDING. ABOUT 20 FEET PAST THE END OF THE RUNWAY THE AIRPLANE'S RIGHT MAIN LANDING GEAR HIT AND WAS SHEARED OFF BY A 3 FOOT HIGH TUNDRA BERM. THE PILOT THEN REDUCED POWER AND LANDED ON THE PARALLELING BEACH, DURING WHICH THE NOSE LANDING GEAR COLLAPSED. THE PILOT ALSO SAID THAT THE AIRPLANE WAS DELAYED IN GETTING AIRBORNE BY THE STANDING WATER AND MUD PUDDLES ON THE RUNWAY.