Angle Lake is an L-shaped, 102-acre lake located in SeaTac, Washington, situated between Interstate 5 and State Route 99. The lake features clear water with low nutrient concentrations and minimal algal growth, making it one of the clearest lakes monitored in King County's Lake Stewardship Program.

Access is available through Angle Lake Park, a 10-acre public facility on the western shore that includes a boat launch, fishing pier, and 371 feet of shoreline access. The park is open from dawn to dusk, with gates unlocked by 8:00 AM. Launch facilities are suitable for kayaks and other small watercraft.

Boating regulations restrict speeds to 5 knots in associated marine areas. All vessels must comply with standard safety requirements, including appropriate personal flotation devices for each occupant. Motorized boats are permitted on the lake, so paddlers should remain alert to boat traffic and wakes.

The lake's water quality has shown improvement over time, with decreasing chlorophyll and total nitrogen concentrations and increasing water clarity. Wildlife viewing opportunities include various fish species, as the lake is stocked with rainbow trout and naturally supports kokanee, largemouth bass, crappie, catfish, and yellow perch.

Facilities at Angle Lake Park include: - Restrooms - Picnic shelters with barbecue areas - Nature trail - Parking - Swimming area (lifeguards on duty mid-June through early September) - Water spray park (operational Memorial Day through Labor Day)

The remainder of the shoreline is developed with private homes. The Angle Lake light rail station is located to the southwest of the lake, providing public transportation access to the area.