Ebay offers Speedo Women's Surf Strider Water Shoes for $9.99 (reg $34.99) with free shipping.

Product Description:
The Speedo Women's Surf Strider Water Shoe is engineered to offer the best support, breathability and comfort where you need it most. Surf Knit construction offers superior drainage and quick-drying properties, while the easy on and off technology makes this a style that works in the pool or on dryland. They are great for the beach, lake or pool!

• Sizing: Womens
• Care and Cleaning: Air Dry
• Footwear Lining Material: 100% Polyester
• Construction: Lightweight Design, Non Marking Sole
• Footwear Insole Material: 100% TPR (Thermoplastic Rubber)
• Features: Slip On
• Toe Style: Round Toe
• Footwear Upper Material: 100% Polyester
• Footwear Outsole Material: 100% TPR (Thermoplastic Rubber)
• Shoe Width: Medium
• Footwear toe openness: Closed Toe
• Footwear outsole details: Non Marking Outsole