The Haddon Township Seahawks is a competitive summer swim team for ages 6-18. The Crystal Lake Pool on Park Blvd and Crystal Lake Ave in Haddon Township is home to the Seahawks. The Crystal Lake Pool is a 25 meter heated pool with 10 lanes, the largest in South Jersey.

The Seahawks were established in 1989 and are part of the Suburban Swim Association of South Jersey (SSA). The Swim Team is excellent for conditioning, reaching goals, and having fun being part of a team for both boys and girls of different ages. Competitive Practice starts in May. Swim Meets are usually held on Saturday Mornings in June & July. Swim Championships are held in the last weekend in July.