No. Widescreen was only one year old at that point ("The Robe" was first to have it).It was however, released in 3-D (dual-strip).
No it was not filmed in silver springs ,Florida like other people think.Where it was really filmed was Wakulla springs ,Florida in Wakulla county.They also made the old Tarzan 1 and 2 there.Hey but...
Julie Adams
There were two actors. Ricou Browning played the Creature in water, and Ben Chapman played the Creature on land.
Bud Westmore and Jack Kevan created the monster costume for the 1954 horror film titled Creature from the Black Lagoon.