← All Guides

Activities & Games

Family Reunion Water Games

Water activities are the highlight of any hot-weather reunion. Here are five setups with equipment lists, age guidance, and safety rules that keep the fun going without sending anyone to urgent care.

5 Water Activity Setups

Run 2–3 of these simultaneously so guests have options. Not everyone wants to get soaked — having a misting station alongside a water balloon fight means everyone is comfortable.

1

Water Balloon Station

Ages 5–35$15–30 for supplies

Setup: Pre-fill 200–300 balloons the night before. Set up 2 filling hoses for replenishment. Designated 'battle zone' area away from elderly guests and food.

Equipment: Self-tying water balloons ($15–25 for 500 pack), hose with good pressure, buckets or bins to store filled balloons

Activity ideas:

  • •Water balloon toss tournament (pairs, increase distance)
  • •Free-for-all water balloon fight (set 10-minute timer)
  • •Water balloon relay race (carry without popping)
  • •Target practice — throw at hula hoops hanging from a tree

Safety: Pick up burst balloon pieces immediately — choking hazard for under-3 guests. Designate 'no balloon zones' near elderly guests, food, and the stage/speaker setup.

2

Slip-and-Slide

Ages 5–17 (kids and teens)$20–60 for the slide

Setup: Set up on a gentle slope with no rocks or roots. Connect to garden hose. Place a soft landing pad or pool at the end. Assign an adult supervisor.

Equipment: Slip-and-slide ($20–60 depending on length), garden hose, optional landing pool

Activity ideas:

  • •Classic solo slides
  • •Racing on side-by-side parallel setups
  • •Distance competition (who slides farthest)

Safety: Adult supervision required at all times. Adults over 18 should use adult-rated products or avoid this activity — see FAQ. Remove jewelry before sliding.

3

Water Gun Tournament

Ages 6–18$50–150 for a set of 8–12 water guns

Setup: Designate a playing area. Assign teams. Run elimination rounds or team-vs-team battles. Set clear boundaries.

Equipment: Super soakers or water guns ($10–30 each); a bucket refill station at each team's base

Activity ideas:

  • •Team elimination (last team with dry players wins)
  • •Capture the flag with water guns
  • •VIP protection (one team member is the VIP; other team scores by getting them wet)

Safety: No shooting at eyes. Establish safe zones (for guests who don't want to participate). Keep elderly guests and electronics away from the play area.

4

Pool Games (if pool available)

Ages All ages with supervision$20–50 for pool toys

Setup: Designate shallow-end and deep-end areas. Assign non-swimming supervisor on deck. Have life rings and reaching poles visible.

Equipment: Dive rings, beach balls, noodles, floaties (bring your own or buy $20–40 worth of pool toys)

Activity ideas:

  • •Marco Polo
  • •Pool volleyball with a net
  • •Dive ring treasure hunt
  • •Relay races by lap swimming (teens and adults)
  • •Floating ring toss

Safety: Life safety first: establish who is watching non-swimmers at all times. Buddy system for children. Non-swimmers stay in shallow end or wear a flotation device.

5

Misting / Cooling Station

Ages All ages — especially 60+$30–150 for a misting setup

Setup: Set up a misting fan or misting tent in a shaded area. This is a passive cooling station, not a game — but it is one of the most appreciated setups for summer reunions.

Equipment: Portable misting fan ($30–80) or misting tent kit ($50–150), garden hose connection

Activity ideas:

  • •Simply a place to cool down — near the seating area for older guests
  • •Can run a simple game nearby (ring toss, card games) so people have a reason to gather here

Safety: Make sure the electrical components of any fan are kept clear of water. Use GFCI-protected outlets for outdoor electrical use.

🎉 With Reunly

Add water activities to your reunion schedule

Reunly's activity planner keeps your event timeline organized so water games run at the right time and with the right volunteers.

Try Reunly Free →▶ Try the Demo

Water Activity Safety Rules

Print these as a simple sign to post near the water activity area. Appoint one adult as the safety monitor for the water zone.

  • ✓Designate one adult as the water activity supervisor — they rotate through the zones and are not playing
  • ✓Establish 'dry zones' where elderly guests, electronics, the food table, and non-participants are protected from water
  • ✓All children under 7 in or near water must have adult within arm's reach
  • ✓Set up a towel station near every water activity — having towels available means less running into common areas dripping wet
  • ✓Check the ground for hazards (rocks, roots, ant hills, glass) before setting up slip-and-slides or bare-foot play areas
  • ✓Have dry clothes options for guests who get wetter than expected — a 'lost and found' style box of extra towels is appreciated
  • ✓For pool activities: no running on pool deck, no diving in shallow end, buddy system for all children

Frequently Asked Questions

What water games work best for family reunions with mixed ages?

For mixed ages, choose water games where participation is optional and physical intensity is adjustable. Best options: water balloon toss (gentle coordination game that anyone can play), dunk tank (spectators can participate without getting fully wet), sponge relay races (low-intensity, no swimming required), and a misting station or cooling area (participation is purely voluntary and refreshing). Avoid games that require swimming or running on wet surfaces for guests who are elderly or have mobility limitations.

How do you do water balloons for a family reunion?

For a reunion of 50 people, pre-fill 200–300 water balloons the night before (use self-tying balloons to speed this up). Store in bins with a small amount of water to keep them from popping. On the day, set up 2–3 filling stations for kids who want to make their own. Run a water balloon toss tournament: pairs toss back and forth, taking a step back after each successful catch. Last pair standing without a pop wins. Clean up burst balloons immediately — they are a choking hazard for young children.

Is a slip-and-slide safe for a family reunion?

Slip-and-slides are safe for children and young adults when used correctly, but come with risks for adults over 18: the stopping mechanism at the end can cause back, neck, and shoulder injuries when an adult's weight and speed is higher than the product is designed for. Many slip-and-slide injuries happen to adults using children's products. For a family reunion, a slip-and-slide can be a great kids' activity with adult supervision. Adults who want in should use a product rated for their weight. Always inspect the ground for rocks and debris before setting up.

Keep Planning

Outdoor Games Guide →Games for Kids →Sports & Tournaments →All Activities Guide →

Keep Every Activity Organized in Reunly

From water balloon setup at 10 AM to the evening campfire — Reunly keeps your full reunion day on schedule.

Start Planning Free →▶ Try the Demo