Most casinos offer free chip bonuses to new depositors, but most bonuses are in the range $100 to $500. A handful of casinos offer more significant free money to players willing to open their accounts with sizeable deposits or multiple deposit bonuses fro the first few deposits.
If you're prepared to deposit big at online casinos, you may as well choose casinos that reward you with big bonuses for your big deposits.
Here are the best high roller deposits available currently.
$5000 free* - multiple match bonus to $5000 at Online Vegas
$4000 free* - multiple match bonus to $4000 at Titan Casino
$3000 free* - multiple match bonus to $3000 at Casino Tropez
$1000 free - 100% match bonus to $1000 at Millionaire Casino