Pool basketball is the second most popular pool sport after water volleyball, and for good reason. It requires minimal equipment, works with any group size from 2 to 10, and the water makes every game more physical, more chaotic, and more fun than basketball on land.
The water changes everything about the game. Jumping is limited. Movement is slow. Shots feel different because your lower body is working against resistance. And because everyone is slowed down equally, pool basketball is one of the most level playing fields in sports — a 5’6” player can compete with a 6’2” player because neither can jump.
All you need is a pool basketball hoop and a ball. Here is how to play.
Basic Setup
Equipment
- Hoop: A poolside basketball hoop with a weighted base or deck-mounted design. The rim should sit 4 to 6 feet above the water surface. Adjustable-height hoops let you customize for your group.
- Ball: A water basketball (rubber, not leather). Standard size or slightly smaller. Most pool basketball sets include a ball. A regulation basketball works but gets heavy when wet.
- Pool: Any pool with at least 3 to 4 feet of water depth near the hoop. The playing area should be at least 15 feet from the hoop in all directions.
Hoop Placement
Place the hoop at the pool edge with the backboard facing the open water. The base sits on the deck, weighted with water or sand to prevent tipping. Make sure there is enough clearance around the hoop so players will not hit the pool edge during play.
For detailed setup, see our guide on pool basketball hoops.
Game Rules: Full Game (2v2 or 3v3)
Setup
- Two teams of 2 or 3 players
- One hoop (half-court style)
- Games to 11 or 21 points
Scoring
- Baskets made inside an imaginary arc (about 8 feet from the hoop) count as 1 point
- Baskets made outside the arc count as 2 points
- Free throws are not used in casual play
Gameplay
- Start with a coin toss or shoot for possession
- The offensive team tries to score while the defensive team guards
- After a made basket, the defense gets the ball at the top of the “court” (about 10 feet from the hoop)
- After a missed shot, whoever gets the rebound has possession
- Check ball: After any stoppage (out of bounds, foul, score), the offensive team “checks” the ball to the defender, who passes it back to start play
- Make-it-take-it: The team that scores keeps possession (most common house rule)
- First team to 11 or 21 wins. Win by 1 or 2, your choice
Fouls
Keep it simple. No reaching in, no holding, no pushing underwater. Call your own fouls. If there is a dispute, replay the possession. Pool basketball gets physical — set ground rules about acceptable contact before the game starts. For a more structured team sport, try water volleyball.
Game Variations
HORSE
Players: 2+
Take turns making trick shots. If you make a shot, the next player must match it from the same spot with the same technique. If they miss, they get a letter. First person to spell HORSE is eliminated.
Pool-specific trick shots to try:
- Behind the back while facing away from the hoop
- Eyes closed from 5 feet
- Non-dominant hand only
- Sitting on a pool noodle
- Underwater release (push the ball up from below the surface)
- Backward over the head
HORSE is the best pool basketball game for mixed groups because it rewards creativity over athleticism. For more group-friendly activities, see our list of pool games that need no equipment.
Knockout (Lightning)
Players: 3+
Everyone lines up behind a spot about 6 feet from the hoop. The first two players each have a ball (or share one and alternate). Player 1 shoots. If they miss, they rebound and shoot again from anywhere. Player 2 shoots as soon as Player 1 shoots.
If Player 2 makes their shot before Player 1, Player 1 is eliminated. If Player 1 makes it first, they pass to Player 3 and Player 2 is now racing Player 3.
The pressure increases as the line gets shorter. The final two players go head to head.
21
Players: 3+
Free-for-all game to 21 points. Baskets from the field count as 2 points. After a made basket, the scorer shoots a “free throw” from a set spot — if made, it counts as 1 point and they shoot again. If missed, the ball is live for anyone.
You must hit exactly 21 to win. If you go over, your score drops back to 15 (or 11, depending on house rules). This prevents someone from running away with the game.
Around the World
Players: 2+
Mark 5 to 7 spots in a semicircle around the hoop, from close range to far. Players take turns shooting from each spot in order. Make the shot and advance to the next spot. Miss and you either stay (safe version) or go back to the beginning (hard version).
First player to make it through all spots wins. Simple, competitive, and good for practicing different angles.
Pool Dunk Contest
Players: 2+
Take turns doing the most creative dunk you can manage. The water limits how high you can jump, so creativity matters more than athleticism. Try spinning, 360s, behind-the-head, or having a teammate throw an alley-oop.
Everyone votes on the best dunk each round. The player with the most first-place votes after 3 rounds wins.
Tips for Playing Pool Basketball
Shooting in Water
Your lower body is your foundation, and the water makes that foundation unstable. Plant your feet firmly on the pool floor before you shoot. Bend your knees for balance. The water supports your upper body, so focus your energy on a clean arm motion.
Arc your shot higher than you would on land. The water slows your shooting motion, which tends to make shots fall short. Add extra height and you will find the range faster.
Defending in Water
You cannot jump to block shots effectively in water. Instead, play tight physical defense — stay close to the shooter and contest with your hands high. Force them to shoot over you rather than trying to swat the ball.
Positioning is more important than speed in water because nobody can blow past anyone. Get between your opponent and the hoop and stay there.
Rebounding
Aggressive rebounding wins games in pool basketball. The ball bounces differently off wet rims and backboards, so positioning and anticipation matter more than leaping ability. Box out by using your body position in the water — get between your opponent and the hoop before the shot goes up.
Moving in Water
You cannot sprint in water, so use angles instead of speed. Cut laterally to create space. Use pump fakes to freeze defenders — they cannot recover quickly if they bite on a fake. Quick passes between teammates create openings faster than individual moves.
Frequently Asked Questions
What is the best hoop for pool basketball?
A poolside hoop with a weighted base, adjustable height, and a real backboard (not just a rim). The GoSports Splash Hoop PRO is a popular option — check our full pool basketball hoop guide for recommendations.
Can you dunk in pool basketball?
Sort of. You cannot jump high enough for a traditional dunk in chest-deep water, but if the rim is set lower (4 to 5 feet above water), you can reach the rim and slam it in. Most pool dunks are more of a reach-and-stuff than a flying dunk.
How deep should the pool be for pool basketball?
3 to 4 feet is ideal. Deep enough to provide water resistance but shallow enough that players can plant their feet and jump. Deeper water makes shooting harder because your base is less stable.
Is pool basketball a good workout?
Yes. The water resistance turns every movement into resistance training. A competitive game of pool basketball burns significantly more calories than the same game on land because your body works harder to move through water. It is similar to the workout benefits of water volleyball.
Can you play pool basketball in an above-ground pool?
Yes, as long as you can mount or place a hoop at the pool edge. Some hoops are designed specifically for above-ground pools with deck-mount brackets. The smaller pool size limits the playing area, so 1v1 or 2v2 works best. See our pool games for adults guide for more options.