Walmart via Google Express has Splatoon 2 on sale for $52.58.
There's a 25% Google express coupon code for EXISTING Customers: 25% off promo code RXY8RFV6S6EN5RCAJ. Shipping is free. Code expires 5/22
$52.58 - sale price
$3.49 - tax
-$13.15 - Discount
I originally went to Toys R Us thinking I'd find it there (currently 30%-50% off), but not much Switch games left.
Hope this deals helps some of you!