Mercer Island Country Club Tennis Courts are a paddle island elite! Six outdoor concrete courts with permanent nets, in ‘Good’ shape, rally from 8:00 AM to 8:00 PM with lights for $15—for members only. Parking, restrooms, and a club vibe near the lake. Rain might drift in—soft paddles keep it posh. No cover, just a country club retreat. More’s on their site [here](https://www.micctennis.com/). A six-court estate for a paddle in luxury!