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#34 Sensual Medium

Mermaid

A flowing, side-lying position like a mermaid's tail.

Medically Reviewed by Dr. James Chen, Board-Certified OB/GYN
Mermaid sex position illustration - A flowing, side-lying position like a mermaid's tail.
Penetration: Medium
Stimulation: G-spot

About This Position

The receiving partner lies on their side with legs together and slightly bent, while the penetrating partner enters from behind. The position flows like a mermaid's tail, creating a smooth, sensual experience.

Best For

SensualityFlowing motionComfort

Clitoral Stimulation

Limited direct clitoral stimulation from the position itself.

Hands can be used for clitoral stimulation.

G-Spot Stimulation

Moderate G-spot stimulation from the flowing, wave-like motion.

The angle targets the side walls and G-spot from a gentle angle.

Anatomy & Physiology

Muscle Groups Involved

  • Inner thighs
  • Glutes
  • Hip flexors
  • Core

Angle of Penetration

Slightly angled, medium depth along the side

Targeted Pleasure Zones

G-spotSide wallsAnterior wallClitoris (with hand)

Body Contact Points

Full body contact along the backChest to backHands caressing body

Step-by-Step Guide

1

The receiving partner lies on their side with legs together and slightly bent, like a mermaid's tail flowing behind. The inner thighs, glutes, and hip flexors support the curled side position.

Tip: The side-lying position is comfortable and follows the natural curves of the body.

2

The penetrating partner enters from behind while both remain on their sides. The slightly angled penetration targets the side walls and G-spot at medium depth.

Tip: The G-spot is rated 3/5 — the flowing motion creates varied stimulation along the side walls.

3

Move with flowing, wave-like motions — like a mermaid's tail. The smooth, rhythmic rocking creates a sensual, flowing sensation.

Tip: Use hands to caress the receiving partner's body throughout — the hands-caressing-body contact point is key.

4

Use hands to caress your partner's body throughout. The proximity makes it natural to touch the face, neck, back, and hips.

Tip: The core and hip flexors create the flowing rocking motion — keep movements smooth and continuous.

5

Rock gently together in a rhythmic motion. The synchronized movement creates the harmonious, flowing experience.

Tip: The penetrating partner's chest-to-back contact provides warmth and stability during the rocking.

6

Focus on the smooth, flowing sensation rather than intensity. The mermaid position is about sensuality and gentle pleasure.

Tip: This is a Medium difficulty position — the flowing motion is easy to maintain.

7

Whisper and maintain closeness for maximum intimacy. The side-lying position allows verbal connection and neck kissing.

Tip: This position is excellent during pregnancy — comfortable, gentle, and low-impact.

Safety & Precautions

Warnings

  • ! Limited penetration depth — this is about sensuality, not depth.
  • ! No face-to-face contact — use verbal communication.

Modifications

  • * Move with flowing, wave-like motions for the best sensation.
  • * Use hands to caress your partner's body for added intimacy.
Flexibility: Low Joint Stress: None Pregnancy Safe

Excellent position during pregnancy — comfortable, gentle, and low-impact.

Medical References & Sources

The information on this page has been reviewed for accuracy by certified health professionals. The following peer-reviewed and authoritative sources were used in developing this guide:

Health Disclaimer: Always consult a healthcare professional before trying new positions, especially if you have back pain, joint issues, are pregnant, or have any medical condition. Stop immediately if you experience pain.

Pros

  • + Very sensual and flowing
  • + Comfortable side position
  • + Follows the natural curves of the body

Cons

  • - Limited penetration depth
  • - No face-to-face contact

Tips

  • * Move with flowing, wave-like motions
  • * Use hands to caress your partner's body

Common Mistakes to Avoid

Even with the right technique, small errors can reduce pleasure or increase injury risk. Here are the most common mistakes couples make with the Mermaid position:

Being too vigorous with the movement

The mermaid position is about smooth, flowing motion. Vigorous thrusting disrupts the gentle, wave-like rhythm that defines this position. Keep movements slow and flowing.

Not using hands for caressing

The mermaid position's intimacy comes from the full-body caressing. Focusing only on the penetration mechanics misses the sensual touch that makes this position special.

Expecting deep penetration

The mermaid position is rated Medium penetration depth. Couples expecting deep stimulation will be disappointed — the position is about flowing sensuality, not depth.

Breaking the flowing rhythm

Stopping and starting disrupts the wave-like flow. Maintain a continuous, smooth rhythm for the best sensation and most harmonious experience.

Variations to Try

Once you've mastered the basic Mermaid, these variations can add new sensations and keep things exciting:

1

Add a Pillow

Place a pillow under the receiving partner's hips to change the angle of penetration and enhance stimulation.

2

Incorporate Manual Stimulation

Use hands to add clitoral or other external stimulation during the position for enhanced pleasure.

3

Slow Down the Pace

Switch from thrusting to grinding for a more intimate, sensation-focused experience.

4

Try Different Surfaces

Move from the bed to a couch, standing, or against a wall for different angles and experiences.

Share this position

SM

Written by Dr. Sarah Mitchell

Certified Sex Therapist, PhD in Human Sexuality

JC

Reviewed by Dr. James Chen

Board-Certified OB/GYN, 15+ Years Experience

Last reviewed: July 2026 | Content medically verified | Meet our full team

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