[2] Engine exhaust was ported through the transom rather than through a conventional stack and this permitted a 360-degree view from the bridge; a feature that was very useful in search and rescue work as well as a combat environment.

[6] The design specifications for Point Roberts included a steel hull for durability and an aluminum superstructure and longitudinally framed construction was used to save weight.

[7] After delivery in 1961, Point Roberts was assigned a homeport of Mayport, Florida, where she served as a law enforcement and search and rescue patrol boat until decommissioning in 1992.

[2][4] On 26 February 1965, she towed the disabled fishing vessel Cherry Lee 25 miles southeast of St. Augustine, Florida, to Mayport during rough weather.

In August 1988, she escorted the Honduran motor vessel Unicorn Express into Mayport, where over 1,000 lb (450 kg) of cocaine were found in a secret compartment.

[2] In February 1992 Point Roberts was decommissioned and transferred to the Environmental Protection Agency as research vessel Lake Explorer stationed at Duluth, Minnesota.