eBay has the Reef 4677 Mens Fanning II Thong Contrast Trim Slide Flip-Flops Shoe (several colors) for $17 with free shipping. Retail price: $55. Available in sizes 4 to 7.
Ends 11/20. Men's Wearhouse is offering an Extra 30% Off A Selection Of Men's Clearance Shoes during their Pre-Black Friday Sale. Shipping is free for Perfect Fit Rewards members (Free To Join).
Nike has the Nike Tanjun Premium Men's Shoes (blue, or 2 other colors in limited sizes) for $50 - 25% off with coupon EPIC25 (Ends 11/27) = $37 + free shipping w/ free Nike+ membership.