eBay with Anker has the refurbished Anker Soundcore Motion Boom IPX7 Waterproof Portable Outdoor Bluetooth Speaker with Titanium Drivers and Built-in Handle, 2020 model (A3118011) on sale for $66 - 20% off with coupon code HOLIDAYCHEER [Exp 10/27] = $53 with free shipping. Comes with a 2-year Allstate warranty.

Newegg with Anker has it brand new for $70 with coupon code NEPDX2277.