Separable buoy

A separable buoy, comprising:

• a center float having a top surface that includes an upper peripheral end and an engagement bevel provided on the upper peripheral end that extends below the top surface;
• a separable float unit having a substantially circular circumference and detachably disposed at the center the separable float unit including a dome wall that is provided in a lower central portion thereof and that has a peripheral edge configured to detachably engage the engagement bevel:
• and
• a chamber defined between the dome wall of the separable float unit and the top surface of the center float when the separable float unit engages the center float,
• wherein the center float has a vertical height that substantially equals or exceeds that of a lower portion of the separable float unit, and wherein the circumference of the separable float unit substantially exceeds a circumference of the center float.